Answer:
ground-dwelling rodents will have to find new shelter
After a catastrophic flood in a grassland ecosystem , ground-dwelling rodents will have to find new shelter.
What is an ecosystem?Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.
Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.
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Max is helping his parents move to a new house. He picks up one box and is able to carry it into the house. He tries to pick up a second box with an identical volume, but he is unable to lift it. What is most likely the difference between the two boxes?
Answer:
The Weight
Explanation:
Even know it has the same volume does not mean it has the same mass and weighs the same with the items inside the box. Most likely, that the Items inside the box are heavier then the first box Max moved.
Max is helping his parents move to a new house. He picks up one box and is able to carry it into the house. He tries to pick up a second box with an identical volume, but he is unable to lift it. The difference between the two boxes is weight.
What is, an identical volume ?Similar items have the identical volume. In other words, two items have the same volume if all of their measures completely match. An object's volume remains unchanged when it is rotated or reflected.
According to Avogadro's law, all gases with an identical volume and the same temperature and pressure have an equal number of molecules. If the temperature and pressure are constant, the volume and amount (in moles) of an ideal gas for a given mass are directly proportional.
The relationship between mass and volume can be easily determined using density; for example, the mass of a body is equal to its volume multiplied by the density (M = Vd), whereas the volume is equal to the mass divided by the density (V = M/d).
Thus, He tries to pick up a second box with an identical volume, but he is unable to lift it. The difference between the two boxes is weight.
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Cell Structure and Functions Activity Worksheet
Instructions: Read the article The Amazing World Inside a Human Cell, and then answer the following questions.
Shape
Background Information
Read the introductory paragraphs, and answer the following questions in your own words. Use complete sentences, and provide textual evidence to support your answers.
How many cells does the human body have, and how many different types are there?
What does the author want readers to imagine as they begin reading? Why?
Text-dependent Questions
Use quotes from the text or summarize the text in your own words to answer the following questions or prompts. Use complete sentences, and provide textual evidence to support your answers. Note: The first one has been completed for you.
What material does the nucleus contain? What is the purpose of this material?
The nucleus contains "the cell's genetic material, DNA." DNA makes protein molecules to help with almost every cellular process.
Using evidence from the text, describe the purpose of the cell membrane.
How do the two types of endoplasmic reticulum differ?
Using evidence from the text, describe the purpose of the Golgi complex.
Based on this excerpt, summarize the job of mitochondria.
Excerpt: "About the size of pickup trucks from where you're floating, the organelles called mitochondria convert energy from your food into adenosine triphosphate, or ATP, to power biochemical reactions. A typical cell burns through 1 billion molecules of ATP every 1 to 2 minutes."
Fact vs. Opinion
Read each statement and decide if it is a fact (can be proven with evidence) or an opinion (personal belief).
Different cell types also have special duties, like building skin or bone, pumping out hormones, or making antibodies.
Animal cells are more interesting than plant cells.
Proteins are processed and lipids are manufactured in the smooth endoplasmic reticulum and Golgi apparatus.
Structure and Purpose
Use the text and visuals to answer the following questions. Use complete sentences, and provide textual evidence to support your answers.
How do the authors structure (arrange) the article?
What is the purpose of the subheadings?
What is the purpose of the images and captions in the article?
What is the purpose of the article?
How does the final paragraph relate to the main idea of the article?
Cell Structure and Functions Activity Worksheet
Instructions: Read the article The Amazing World Inside a Human Cell, and then answer the following questions.
Shape
Background Information
Read the introductory paragraphs, and answer the following questions in your own words. Use complete sentences, and provide textual evidence to support your answers.
How many cells does the human body have, and how many different types are there?
What does the author want readers to imagine as they begin reading? Why?
Text-dependent Questions
Use quotes from the text or summarize the text in your own words to answer the following questions or prompts. Use complete sentences, and provide textual evidence to support your answers. Note: The first one has been completed for you.
What material does the nucleus contain? What is the purpose of this material?
The nucleus contains "the cell's genetic material, DNA." DNA makes protein molecules to help with almost every cellular process.
Using evidence from the text, describe the purpose of the cell membrane.
How do the two types of endoplasmic reticulum differ?
Using evidence from the text, describe the purpose of the Golgi complex.
Based on this excerpt, summarize the job of mitochondria.
Excerpt: "About the size of pickup trucks from where you're floating, the organelles called mitochondria convert energy from your food into adenosine triphosphate, or ATP, to power biochemical reactions. A typical cell burns through 1 billion molecules of ATP every 1 to 2 minutes."
Fact vs. Opinion
Read each statement and decide if it is a fact (can be proven with evidence) or an opinion (personal belief).
Different cell types also have special duties, like building skin or bone, pumping out hormones, or making antibodies.
Animal cells are more interesting than plant cells.
Proteins are processed and lipids are manufactured in the smooth endoplasmic reticulum and Golgi apparatus.
Structure and Purpose
Use the text and visuals to answer the following questions. Use complete sentences, and provide textual evidence to support your answers.
How do the authors structure (arrange) the article?
What is the purpose of the subheadings?
What is the purpose of the images and captions in the article?
What is the purpose of the article?
How does the final paragraph relate to the main idea of the article?
Please answer all the questions, thank you !!! :)
Answer:
u still need this?
Explanation:
Answer:
Hey this seems to be asked a while ago so did you figure it out? because i still need the answers and it would help allot if you dont mind sharing
Explanation:
(thanks!
Why do you think it’s useful for scientists to classify matter? In other words, why do you think scientists need to identify something as a pure substance? Why do you think they need to know if something is a compound or an element?
Answer:
They need to know
Explanation:
Because if we didn't know that something was a compound of an element we could either blow ourselves up when we are mixing them or when we are looking for something bad between the compound and we don't know its a compound how do we fix it
Classifying substances as elements or compounds helps us to understand their properties.
Matter is anything that has mass and occupy space. There are several substances in the universe and all of them are composed of matter. It is necessary to classify matter for reference purposes. When we classify matter then it is possible to refer to substances under specific classes.
A pure substance contains only one kind of matter. It is necessary to classify something as a pure substance so that it is we can know if it contains one type of matter or different types of matter.
It is necessary for scientists to classify something as element or compound in order to understand its properties. Elements and compounds are pure substances.
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Identify the most abundant cell type making up the epidermis and provide evidence to support your claim
Answer: A keratinocyte
Explanation: A keratinocyte is the primary cell type (about 90%) within the epidermis which is the outermost layer of the skin. The alternate names for keratinocytes are basal cells since they are found in the basal layer (the stratum basale) of the skin.
can anyone help me with the question?? “Is the ending substance the same substance as the colorless liquid and why”
Answer:
It's Gas.
Explanation:
Please help me get the answer. I cannot see what the color difference is. Please help. The code has to be a 4 digit code with no spaces
Answer:
There are bolded letters and light letters, there are way more than 4.... can you explain it better?
Explanation:
Directions:
Read the article and then answer the questions. Consider answering these questions please. The questions are on the pdf attached to this question.
Answer:
1.
a) F; Insulator
b) F; are always moving
c) T, T, T
d) T, T, T
2. b; firm and not readily movable
3. a; occupied
4.
Temperature: =
Thermal energy: <
sentences: 14, 15
5. cool
sentence: 21
6. radiation; the heat from the heating coil is radiated to the cake and causes it to rise
(though if you really want to sound smart you can explain how all of them are used) (radiation: heating coil; convection: hot air circulating in the oven; conduction: cake pan to cake)
7. conduction; the heat from oatmeal is transferred to the bowl through contact
8. convection; the air is circulated due to uneven heating (of the earth by the sun)
9. (rephrase this answer in your own words)
jacket: Insulator; prevents heat loss from the cold outside airsleeping bag: insulator; keeps me warm at night while it is cold outside of itcooking pans: conductor; heat from the flame (of a stove) is transferred to the pan to cook food; it would be very inefficient to use an insulator for something that needs to transfer heat(metal) tent stakes: get cold fairly quickly in the cold air, if they were insulators then they would not change in temperature so quickly
10. as the wax melts and turns to liquid the particles drastically speed up to the point where they begin to flow around each other
Answer:
1.
a) F; Insulator
b) F; are always moving
c) T, T, T
d) T, T, T
2. b; firm and not readily movable
3. a; occupied
4.
Temperature: =
Thermal energy: <
sentences: 14, 15
5. cool
sentence: 21
6. radiation; the heat from the heating coil is radiated to the cake and causes it to rise
(though if you really want to sound smart you can explain how all of them are used) (radiation: heating coil; convection: hot air circulating in the oven; conduction: cake pan to cake)
7. conduction; the heat from oatmeal is transferred to the bowl through contact
8. convection; the air is circulated due to uneven heating (of the earth by the sun)
9. (rephrase this answer in your own words)
jacket: Insulator; prevents heat loss from the cold outside air
sleeping bag: insulator; keeps me warm at night while it is cold outside of it
cooking pans: conductor; heat from the flame (of a stove) is transferred to the pan to cook food; it would be very inefficient to use an insulator for something that needs to transfer heat
(metal) tent stakes: get cold fairly quickly in the cold air, if they were insulators then they would not change in temperature so quickly
10. as the wax melts and turns to liquid the particles drastically speed up to the point where they begin to flow around each other
Explanation:
I hope this helps
Which material has the same state of matter after it is mixed with water as it did before it was mixed with water?
A.
carbon dioxide
B.
salt
C.
pepper
D.
sugar
Pepper has the same state of matter after it is mixed with water.
What is the state of matter?State of matter of any substance tells about the physical appearance or the space occupied by the atoms of that substance.
From the given option; carbon dioxide, salt and sugar are soluble in water and changes their state of matter to liquid. But pepper is hydrophobic in nature that means it is not soluble in water, so present in the original state after mixing with water.
Hence, option (c) is correct i.e. pepper has the same state.
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Which of the following is a metal?
A. nitrogen
B. calcium
C. sulfur
D. carbon
Answer: Calcium
Explanation: The chemical element Calcium (Ca), atomic number 20, is the fifth element and the third most abundant metal in the earth's crust. The metal is trimorphic, harder than sodium, but softer than aluminium.
Hope this helps. pls mark me brainliest :)
A Rock is determined to be 1.426 billion years old. How much uranium -235 remains in the rock?
Answer:3.5930 million
Explanation:
What happens to the solar energy absorbed by plants during photosynthesis?
A-It is recycled by plants and returned to the atmosphere.
B-It is converted into oxygen and glucose.
C-It is stored as heat within the plant for cellular functions.
D-It is transformed into chemical energy.
Answer:
b- It is converted into oxygen and glucose.
Explanation:
write word equation for 2nh3 + h2so4 = (nh4)2so4
Answer:
Reactants:
NH3
Names: Ammonia : Azane (only intended for use in naming derivatives of ammonia) Hydrogen nitride
Appearance: Colourless gas , accessed: 2019-09-27; Colourless gas or compressed liquefied gas with pungent odour ; Colorless gas with a pungent, suffocating odor. [Note: Shipped as a liquefied compressed gas. Easily liquefied under pressure.]
H2SO4 – Sulfuric acid
Other names: Oil of vitriol: NIOSH NPG, , Sulfuric acid, concentrated (> 51% and < 100%)
Appearance: Clear, colorless liquid source: wikipedia, accessed: 2019-09-27; Odourless colourless oily hygroscopic liquid source: ICSC, accessed: 2019-09-04; Colorless to dark-brown, oily, odorless liquid. [Note: Pure compound is a solid below 51°F. Often used in an aqueous solution.] source: NIOSH NPG, accessed: 2019-09-02
Products:
(NH4)2SO4 – Ammonium tetraoxosulfate (VI) ,
Other names: Ammonium sulphate source: wikipedia Ammonium sulfate source: Ammonium sulfate (2:1)
Appearance: Fine white hygroscopic granules or crystals.
A trait is a ____________ or feature, such as ____ eyes and ________ hair.
please answer I beg yuh thx
HELP ME PLEASE
T-T thanks
Answer: You Would have to .
Explanation:
What kinds of anthropogenic activities produce acid rain?
Answer:
Rotting vegetation and erupting volcanoes release some chemicals that can cause acid rain, but most acid rain is a product of human activities. The biggest sources are coal-burning power plants, factories, and automobiles.
Answer:
coal and oil power plants and automobiles
Explanation:
please help me ill give brainiest
Watch the video below. After the video use the text box to answer the following questions:
1. What is the difference between and autotroph and a heterotroph?
2. What is one example of an autotroph. One example of a heterotroph.
Please help the video isn't necessary for these questions :)
What are characteristics of transition metals? Select all that apply. *
usually liquid or gas at room temperature
good conductors of heat and electricity
malleable
high density
Answer:
They are good conductors of heat and electricity
and have high density
Explanation:
transition metals are not usually liquid
can some give me a summary about .Electrostaticen force plz
Answer:
The electrostatic force is also known as the Coulomb force or Coulomb interaction. It's the attractive or repulsive force between two electrically charged objects. Like charges repel each other while unlike charges attract each other. Coulomb's law is used to calculate the strength of the force between two charges.
Explanation:
Which layer of the ocean is the least dense?
1. middle layer
2. closest to the ocean floor
3. they are all the same
4. closest to the surface
Answer:
closest to the ocean floor
Explanation:
the ocean floor contains more salt then the surface of the ocean
Under most conditions, an atom has the same number of protons and electrons.
True or False
Answer:
True! Under most conditions, they are usually the same.
This is because to balance out the negativity or positivity of an atom, the opposite joins in.
Hope this helps.
]Why is permeable soil best for plants that need a lot of drainage?
Water fills this type of soil.
Water dries up in this type of soil.
Water flows through this type of soil.
Water pools on top of this type of soil.
The most common way humans contribute to the extinction of organisms is by
rotation of crops.
use of fertilizers.
destruction of habitat.
introduction of competing species.
The most common way humans contribute to the extinction of organisms is by destroying their habitats. By destroying the natural habitats of organism we are leading them to point where they cant survive.
What is extinction ?Extinction of an organism is the gradual disappearance of the entire species of that organism due to natural calamities, human activities or, spreading diseases.
Human activities are the main culprits of the devastation of organisms and their habitats. Humans destroy the natural habitats of plants and animals for their selfish purposes.
Animals then starve and they are not fit to survive in other places which are entirely different from their natural habitat. Therefore, if these activities continues they will extinct.
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please help i dont understand this
Plz help!
How does the path of a river change over time? (describe the process)
Answer:
All rivers naturally change their path over time, but this one forms meanders
Explanation:
When you stand next to a river, its path doesn't seem to move.
All rivers naturally change their path over time, but this one forms meanders at an especially fast rate, due to the speed of the water, the amount of sediment in it, and the surrounding landscape.
Fill in the blank
The (blank) of a rock is a result of its mineral composition.
a) monday & thursday
b) wednesday & saturday
c) tuesday & saturday
d) saturday & sunday
Answer: b
Explanation: 5*2
7. A 1.50 x 103 kg car accelerates uniformly from rest to 10.0 m/s in 3.00 s.
a. What is the work done on the car in this time interval?
b. What is the power delivered by the engine in this time interval?
Work done = force*distance = mass*acceleration*distance
acceleration = 10/3 = 3.33 m/s^2
distance = ((0+10)/2)*3 = 15m
work done = 1500*3.33*15 = 74900 J
Power = workdone/time = 74900/3 = 25000 W
a. The work done on the car in this time interval is 75000 J.
b. And, the power delivered by the engine in this time interval is 25,000 watt.
Given that,
A 1.50 x 103 kg car accelerates uniformly from rest to 10.0 m/s in 3.00 s.Based on the above information, the calculation is as follows:
(a)
We know that
[tex]w = \frac{1}{2} \times m (v^2 - u^2)[/tex]
Here
Mass = [tex]1.50 \times 103 kg[/tex]
v= 10 m / s
u= 0 m / s
Now place it to the above formula
So, Work done is = 75000 J
(b)
[tex]Power P = W \div t\\\\= 75000 \div 3[/tex]
= 25000 Watt
Therefore the above are the answers.
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(Subject is actually 8th Grade Science But The don't have that... i'm sorry.)
Question:
If you have two objects with different masses about to fall from the same height. Which one will have the greatest potential energy?
Group of answer choices:
A.) Smallest
B.) Largest
C.) Roundest
D.) Flattest
Answer:
I am Going to say the smallest im in 8th grade and i got that right
Explanation:
This is an easy since question
Answer:
A
Explanation: