Answer:
The answer is D!
As one gets closer to the Earth's core, temperature, and pressure rise gradually. Thus, option D is correct.
What are the factor involving in the earth layer study?Gravity will tug on something more strongly the denser it is. The consequence is that less dense layers migrate away from the Earth's core, while the densest components are attracted closer to it.
Because it is the densest and is formed of solid iron and nickel, the inner core is located near the center of the Earth.
The surface, where the water is the warmest, has the lowest density. The pycnocline is a zone of rapidly rising density with depth that is present as depth increases.
The density has an inverse relationship with volume and a direct relationship with mass. As a result, the density rises as the volume shrinks.
Therefore, The temperature and density of Earth's layers increase with depth.
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Please do not copy and paste others work I need this soon
Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.
An active volcano is a volcano that has had at least one eruption during the past 10,000 years. An active volcano might be erupting or dormant.An erupting volcano is an active volcano that is having an eruption...A dormant volcano is an active volcano that is not erupting, but supposed to erupt again.An extinct volcano has not had an eruption for at least 10,000 years and is not expected to erupt again in a comparable time scale of the future.
Explanation:
2. Which of the following would not represent an ecosystem?
A. A lake
B. A drop of pond water
C. A fish tank
D. Magma or fresh lava
Answer:
D. Magma or fresh lava :)
why do some areas have more acid rain in other places
Answer:
this due to the environment, especially if it is an industrial area,because when different gases or smoke are in the air they combine thereby causing acid rain .
An atom contains 15 electrons. How many energy levels would it have?
It would have 8 energy levels
Answer: i'm pretty sure its 3!
Explanation:
Which of the following factors would have the least effect on the carrying capacity of an ecosystem?
a.
the total number of organisms
b.
the available water supply
c.
the available food supply
d.
competitive exclusion
Answer:
D competitive exclusion
Explanation:
Answer:
D) competitive exclusion!
Explanation:
edge 2020
Chitin is a polysaccharide found in the exoskeleton of insects. The diagram below shows a chitin monomer.
To which major category of biological molecules does chitin belong?
proteins, because chitin forms the flexible joints of an insect’s shell
nucleic acids, because chitin provides the blueprint for insect body plans
lipids, because chitin serves as an insect’s insulation from their environment
carbohydrates, because chitin is used for structural support in the insect’s external skeleton
Answer:
Carbohydrates
Explanation:
Chitin is a polysaccharide found in the exoskeleton of insects. carbohydrates is the chitin monomer, because chitin is used for structural support in the insect’s external skeleton. Hence Option D is correct.
What is chitin?
Chitin is a large structural polysaccharide found in the exoskeletons of insects, cell walls of fungi, and some in invertebrates.
This versatile molecule are observed in insect wings, mixed with with calcium carbonate to make a shell of a clam.
Chitin and cellulose are composed up glucose monomers but keratin is a fibrous protein.
Structurally Chitin is different from cellulose by the replacement of hydroxyl group (OH) with amyl group attached which have carbon and nitrogen in glucose monomer.
Due to its biodegradability, it is used in most of the industries, in medical application, dyes, glues etc.
Hence Option D is correct.
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14. Alex writes down his car racing times for each day.
Mon – 5hr Tue – 1hr
Wed –2hr Thu – 6hr Fri – No drive.
He drives at a constant speed of 100km/h. Work out the distance he drove each day. On which day did he drive the furthest?
Answer: One positive integer is 5 more than the other. When the reciprocal of the larger number is subtracted from the reciprocal of the smaller the result is 5/14. Find the two integers.
Example: The difference between the reciprocals of two consecutive positive odd integers is 2/15. Find the integers.
Work-Rate Problems
There are two equivalent formulas to choose from when solving work-rate problems. If two people are working together on a job then their work rates add and they can perform the job working together in a shorter amount of time. If we let = the time it takes a person to complete a task then his work rate is 1/. In other words, he can complete the 1 job in number of hours. If we let = the time it takes a second person to complete the task and = the time it takes for both people working together we get the following work-rate formulas:
Example: Bill’s garden hose can fill the pool in 12 hours. His neighbor has a hose that can fill the pool in 15 hours. How long will it take to fill the pool using both hoses?
Example: Joe can complete his yard work in 3 hours by himself. If his son helps it will only take 2 hours working together. How long would the yard work take if his son was working alone?
Example: Norm and Cliff can paint the office in 5 hours working together. Being a professional painter, Norm can paint twice as fast as Cliff. How long would it take Cliff to paint the office by himself?
Work-Rate Problem: One small water hose takes twice as long to fill the basin as the larger water hose. If the two hoses working together take 40 minutes to fill the basin how long would it have taken each hose to individually fill the basin?
Work-Rate Problem: Joe can texture and paint a room in 8 hours working alone. It would take Bill 6 hours to do the same job. How long will it take them to complete the job working together?
Work-Rate Problem: Two printers, working at the same rate, work together with printing payroll checks for 4 hours before one breaks down. The other takes 3 more hours to complete the job working alone. How long would it have taken only one printer to complete the job?
Uniform Motion Problems (Distance Problems)
We have set up uniform motion problems using the formula = *. For the following motion problems, we will need the equivalent formula / = to set up the equations.
Example: The first leg of Mary’s road trip consisted of 120 miles of traffic. When the traffic cleared, she was able to drive twice as fast for 300 miles. If the total trip took 9 hours, then for how much time was she stuck in traffic?
Example: A passenger train can travel 20 miles per hour faster than a freight train. If the passenger train can cover 390 miles at the same time it takes the freight train to cover 270 miles, how fast is each train?
Example: Billy rode his skateboard 24 miles to his grandmother’s house for the day. It was a rough ride so he borrowed his grandmother’s bicycle for the return trip. Going twice as fast on the bicycle the return trip took 2 hours less time. What was his average speed on the bicycle?
Example: Brett lives on the river 45 miles upstream from town. When the current is 2 miles per hour he can row his boat downstream to town for supplies and back in 14 hours. What is his average rowing speed in still water?
Explanation:
What pair of structures do prokaryotes have?
What are large molecules made up of smaller molecules called?Untitled
Question
A large molecule made up of smaller molecules is called a macromolecule. Macromolecules are also sometimes called polymers.
which is one benefit that mangrove trees provide to surrounding coastal wetlands
Answer:
They hold soil in place
Explanation:
took it on edge
An observer who sees polaris straight overhead must be at the...
Earth Science question
Answer:
North Pole
Explanation:
The position of Polaris in space is almost exactly over the geographic, North Pole
Which shows one example of a physical change and one example of a chemical change?
Show Your Work
boiling water and melting wax
rusting iron and baking a cake
dissolving powder and shredding paper
freezing water and burning coal
An example of physical change is the freezing of water, while an example of chemical change is the burning of coal. Thus, the correct option for this question is D.
What is Physical change?Physical change may be defined as a type of change that only involves alterations in the physical properties of the matter. Examples include the boiling of water, freezing of water, etc.
A Chemical change may be characterized as a type of change that only involves alterations in the chemical properties of the matter. Examples include burning coal, rusting iron, mixing acids and bases, etc.
In a physical change, there is no new substance is synthesized, while in a chemical change one or more new substances are formed.
Therefore, freezing water is an example of physical change, while burning coal is an example of chemical change. Thus, the correct option for this question is D.
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Dr. Simeon and her team are studying global climate change. They develop a set of mathematical equations
that relate climate data gathered over the past 100 years. Then, with the aid of a computer, they use the
equations to predict climate change in the future. The team's use of mathematical equations and computers is
an example of which science process?
A observation
B. gathering evidence
0
C. experimentation
O
D. modeling
Answer:
b gather evidence
Explanation:
ask if anymore help
draw a well labelled diagram of a leaf structure and explain how the stomata ,the cuticle and the vascular bundle works
Answer:
A well labelled diagram of a leaf structure
Explanation:
Answer:
Vascular bundles are a collection of tube-like tissues that flow through plants, transporting critical substances to various parts of the plant.The cuticle reduces the rate of water loss from the leaf surface.Stomata are tiny holes found in the underside of leaves. They control water loss and gas exchange by opening and closing. They allow water vapour and oxygen out of the leaf and carbon dioxide into the leaf.A block of lead has dimensions of 4.50 cm by 5.20 cm by 6.00 cm. The block weights 1587 g. From this information, calculate the density of lead.
Answer:
11.3 cm/g
Explanation:
I need help ill. Give brainless
Answer:
letter B.
Explanation:
what is the relationship between enzyme activity and 3d shape of an enzyme
Answer:
The reaction catalyzed by an enzyme is very specific. Most enzymes are proteins with unique three-dimensional configurations based on their amino acid sequence. The specificity of an enzyme can be attributed to the compatibility between the shape of the enzyme's active site and the shape of the substrate
Answer:
enzymes have a 3D shape to basically fit, like a puzzle and if it doesnt fit there is no activity
Explanation:
The formula for density is mass + volume O mass - volume O mass x volume O mass : volume
Answer:
mass : volume
Explanation:
Density is a physical quantity. An intensive property which can be used to determine any substance in nature.
Density is a unique quantity because it highlights the mass per unit volume of a substance.
Mathematically;
Density = [tex]\frac{mass}{volume}[/tex]
Mass is the amount of matter contained in any substance
Volume is the space they occupy
We clearly see that the ratio of mass to volume gives the value of density.
I NEED HELP ON #8 ASAP PLEASEEEE!
Answer: C I'm pretty sure
Explanation: makes sense and i learned it last year ig lol
Answer:
I’m pretty sure it’s c ;)
Explanation:
Which test would show positive for orange juice
Answer:
Lugol's test
Explanation:
Orange juice contains varied vitamins such as vitamin C. The test that shows positive results for orange juice is Lugol's test.
___ in the eye operate best under bright light conditions
A. Cones
B. Rods
C. Retinal ganglion cells
D. Striate cortex
Answer:
its c
Explanation:
1. How many degrees of longitude are they apart for the following points:
B and F
E and G
C and I
G and J
F and C
2. How many hours apart are
B and F
E and G
C and I
G and J
F and C
Answer:
1. i love pizza
Explanation:
4 wow quizzy Please read this carefully A fair warning, Look out for a Discord user by the name of with the tag #2911. She is going around sending friend requests to random Discord users, and those who accept her friend requests will have their accounts DDoSed and their groups exposed with the members inside it becoming a victim as well. Spread the word and send this to as many Discord servers as you can. If you see this user, DO NOT accept her friend request and immediately block her. Our team is currently working very hard to remove this user from our database. Please stay safe. -Discord team
Copy and paste this to all the servers you are in
One of the products of photosynthesis is missing from the.diagram.What is missing?
Answer: please insert Diagram
Which of the following two main types of cells has no nucleus? *
Answer:
eukaryotic cells and prokaryotic cells
Explanation:
Eukaryotic cells are called so because they have a true nucleus. The nucleus, which houses DNA, is contained within a membrane and separated from other cellular structures. Prokaryotic cells, however, have no true nucleus
Answer:
prokaryotic cells and eukaryotic cells
Explanation:
An independent variable is the item that was changed in the experiment. What is the independent variable in this experiment?
Answer:
The independent (or manipulated)variable is something that the experimenter purposely changes or varies over the course of the investigation. The dependent (or responding) variable is the one that is observed and likely changes in response to the independent variable.
Explanation:
please mark as brainlist answers
Which of the following correctly describes the outcome of meiosis?
Answer:The cell produced at the end of meiosis contained half of the number of chromosomes as the parent cell
Explanation:hope this helps and happy hallowen :D
Answer:
A. Four haploid daughter cells that are genetically different.
Explanation:
Question 7 Which of the following is NOT paired correctly? fat- lipid starch-nucleic acid glucose Carbohydrate enzyme protein
Answer:
Starch-nucleic acid is not paired correctly.
What are the two inputs for aerobic cellular respiration?
a. oxygen and glucose
b. carbon dioxide and atp
c. carbon dioxide and water
d. glucose, atp and water
Oxygen and glucose are the two inputs for aerobic respiration.
What are Cellular respiration?The process of cellular respiration involves the oxidation of biological fuels in the presence of an inorganic electron acceptor, like as oxygen, to generate significant amounts of energy that are used to power the major creation of ATP.
The process of converting chemical energy from foods into adenosine triphosphate (ATP) in an organism's cells, followed by the discharge of waste products, is known as cellular respiration.
During catabolic reactions, which divide big molecules into smaller ones and release energy, respiration takes place. One of the main mechanisms through which a cell releases chemical energy to power cellular activity is respiration.
Therefore, Oxygen and glucose are the two inputs for aerobic respiration.
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A student wants to find out if the green coloring in grass is a mixture of dyes. He uses a solvent to dissolve the green coloring from some grass. He then separates the solution of the green coloring from the remaining grass. Which of these methods is used to separate the solution of the green coloring from the remaining grass?Immersive Reader (1 Point) Boiling Evaporation Chromatography Filtration
Answer:
The correct answer is - filtration.
Explanation:
Filtration is the extracting the dissolved or suspended solids from a liquid or solvent passed from a substance with small pores, called filter, that separates the solid with a larger size than the pores of the filter. The liquid goes through the filter known as filtrate.
In the given case, the remaining grass can be separated from the solvent by the process of filtration. Pass the remaining grass with filtrate through the filter.
The correct answer is - filtration.
Within a cell, DNA is found chiefly in the
A) cell wall
B) nucleus
C) ribosomes
D) vacuoles
Answer:
Nucleus
Explanation:
We studied this last year in my school and I'm pretty sure this was the answer
Answer: B) Nucleus
Hope this helps!