Answer:
plant cells and eukroyatic algae
Describe the motion of water molecules in a wave.
Lesson 2.13
Question 5 options:
Water molecules move up and forward, down and back, in an overall circular motion.
All of the choices
none of the choices
Water molecules don't move
Answer:
Molecules in the water move in a circular motion
Explanation:
Because of its circular motion it causes the waves to look like open circles which makes it easy for people to surf on
Water molecules move up and forward, down and back, in an overall circular motion in the wave. Therefore, option A is correct.
What is circular motion ?Circular motion is defined as the movement of an object while rotating in a circle. Circular motion can be uniform or asymmetric.
The angular rate of rotation and speed are constant in uniform circular motion, but the rate of rotation changes in non-uniform circular motion.
This means that circular motion can occur only if there is a "center seeking" force present; otherwise, things will travel in a straight line.
Within the wave, the water molecules move in a circular motion. Each water particle moves in a complete circle during a single wave period. The circle traced by a water particle on the ocean surface as a wave passes a given point has a diameter equal to the height of the wave.
Thus, option A is correct.
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How many kilograms of water must be added to 6.07 grams of oxalic acid (H2C2O4) to make a 0.025 m solution?
1. Place the following in order from largest amount of water found on Earth to the smallest:
glaciers and ice caps, ground water, ocean
Answer:
ocean, glaciers and ice caps,
ground water
Explanation:
Magnesium hydroxide is 54.87% oxygen by mass.
How many grams of oxygen are in 175 g of the com-
pound? How many moles of oxygen is this?
Answer:
hhmxui
Explanation:
Sedimentary
Weathering
erosion, transport
deposition
Heat and/or
pressure
Igneous
Metamorphic
The
Rock
Cycle
Intrusion or
eruption
Burial and
extreme heat
Magma
Look at the diagram above.
Which sentence BEST describes a process in the rock cycle?
Igneous rocks can become metamorphic and sedimentary rocks.
Metamorphic rocks can form by the weathering process,
Volcanoes can deposit sedimentary rock to form mountains.
O Sedimentary rocks can melt to become metamorphic rocks.
Answer:
I am confident that it is the last answer but if you can find a more verified answer I would go for that.
In a chemical reaction
1 point
The atoms of the reactants unbond, rearrange and then rebond to form the products
Some atoms disappear while others multiply to form the products
The atoms of the reactants always stay together to form the products
New atoms are formed which combine to make the products
Answer:
A) The atoms of the reactants unbond, rearrange and then rebond to form the products
Explanation:
Using method of elimination:
A) The atoms of the reactants unbond, rearrange and then rebond to form the products
This is the correct option. Chemical reactions involves breaking and forming of new bonds.
B) Some atoms disappear while others multiply to form the products
This option is incorrect. Atoms do not disappear
C) The atoms of the reactants always stay together to form the products
This option is incorrect. The bonds between the atoms in the reactants must first be broken before products can be formed.
D) New atoms are formed which combine to make the products
This option is incorrect. Atoms do not just form out of nowhere.
Hey. Answers to this?:
I set off on a journey from the Earth to our nearest galaxy - ________. It will take me around 2 million ______ ______ before I reach my destination. As my space shuttle ascended it went through the Earth’s atmosphere in a great display of glowing lights. I reached the _______ __________ zone and started to float in my cockpit. The spacecraft went farther away, making the Earth look much smaller. I saw the bright light of our ________ _________ - the Moon. I speeded up, crossing the orbit of our ________ _______ - Mars. It took a great deal of skill to safely manoeuvre my spacecraft through the area of giant, rocky pieces of cosmic rubble, known as an _____ ______. As I accelerated, I entered the region of our ________ _______. I went zooming past Jupiter, Saturn and ________. I took a glimpse of our poor demoted dwarf planet - _______. Eventually, I was far enough to reach the outer edges of our ______ _______, with our star _________ in the centre. From that point on I accelerated rapidly, zooming out of our galaxy - ________ _____. What a spectacular view it was to see all the ____ ______ stars spinning in a giant whirlpool of light. Soon I reached the outer edges of our galaxy and went zooming away through the unknown towards Andromeda.
Missing words: the Sun, natural satellite, Uranus, asteroid belt, the Milky Way, outer planets, light years, Pluto, 400 billion, the Andromeda, inner planet, Solar System, zero gravity,
White arctic hares blending in with the white snow in their environment is an example of what type of camouflage?
A. hiding
B. protective resemblance
C. mimicry
D. protective coloration
Answer:
The answer to your question is A.
D. Protective coloration. Protective coloration, also known as "crypsis," is a defense mechanism used by animals to avoid detection by predators or prey.
An illustration of protective coloration, which is a sort of camouflage, is how white arctic hares blend in with the white snow around them. Animals use protective coloration, commonly referred to as "crypsis," as a defensive strategy to evade being seen by predators or prey.
In this instance, the white arctic hares' fur is the same shade as that of their snowy environment. Their chances of survival are increased by this merging, which enables them to remain unnoticed and effectively hidden from predators like polar foxes or birds of prey. They have a better chance of escaping or avoiding detection when they are well-camouflaged, making it difficult for predators to see them against the white background.
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What term is used by scientists to describe the gradual increase in surface temperature of the earth?
Please help me, I am confused
Answer:
B
Explanation:
Ionic compound can conduct electricity
how many atoms in 10.0 g of Ar?
Answer:
1.51 x 10^23 atoms of Ar
Explanation:
Start out with what you're given.
10.0 g of Ar/1 * 1 mol/39.948 g Ar * 6.022*10^23 atoms/1 mol
(It's easier if you write it out.)
You always want to start out w/ what you're given and continue your unit conversions from there. Since you started out with grams of Argon, you want grams of Argon on the bottom to cancel it out. Once you found the unit conversion: 1 mol/39.948 g Ar (molar mass of Ar), now it's time to convert to atoms. Since 1 mol is up on top, put 1 mol on the bottom. Considering you're looking for atoms, use Avagradro's number: 6.022*10^23.
Once simplified, you should get 1.51 x 10^23 atoms of Ar.
***I hope this helps! I also suggest using a mole map, if you're interested.***
Why does a basketball deflate when left outside overnight?
Answer:
I hope it's help uu
if wrong then sry
Helpp me pretty please
Convert 15oc to K
(l’ll mark you as brainlister)
Answer:
15oC to K
oC +273
15+273
288K
What does steel classify as?
A. Compound
B. Mixture
C. Element
D. Electrons
What is the density of a sample with a mass of 5250g and a volume of 4.5mL
Answer:
1166.67
Explanation:
density=mass/volume
density= 5250/4.5
density=1166.67g/mL
Which could cause topsoil to be lost?
wind and water erosion
lack of use
compaction
desertification
Wind and Erosion lead to Washing away of top soil.
What Is Erosion?Erosion is the process that lead to the washing away of top soil leading to loss of nutrient, holes and many more.
The agents of erosion include wind, water and so on.
Strong wind will lead to the top soil to be remove when it is blowing. Water also when is is flowing turbulently maybe when rain fall can lead to loss of top soil.
Therefore, Wind and Erosion lead to Washing away of top soil.
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what makes sherbet fizzy
Answer:
The chemical reaction between the citric acid and sodium bicarbonate
Explanation:
Determine the percent yield for the reaction between 98.7 g of
Sb2S3 and excess oxygen gas if 72.4 g of Sb4O6 is recovered along with an unknown amount of sulfur dioxide.
The percent yield of the reaction would be 85.64%
Percent YieldFrom the balanced equation of the reaction:
[tex]9 O_2 + 2 Sb_2S_3 ---> 6 SO_2 + Sb_4O_6[/tex]
Mole ratio of Sb2S3 to Sb4O6 is 2:1
Mole of 98.7g Sb2S3 = 98.7/339.7
= 0.29 moles
Equivalent mole of Sb4O6 = 0.29/2
= 0.145 moles
Mass of 0.145 Sb4O6 = 0.145 x 583
= 84.535 g
Percent yield = yield/theoretical yield x 100
= 72.4/84.535 x 100
= 85.64%
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a.
1. You touch a shopping cart in the grocery store parking lot. What type of heat
transfer is happening between your hand and the handle?
Conduction
b. Convection
C. Radiation
d. Thermal Equilibrium
The transfer of energy between systems through work is the expansion of gas in a steam engine. By doing work or by transferring heat, energy can be transferred. Therefore, option A is correct option.
What is energy transfer?Energy transfer is a phenomenon in which energy transfer from one matter to another matter. Energy requirement is necessary to move any object so work has to be done by the gas to the piston.
Heat can be transferred by three ways radiation, convention or conduction. In conduction, direct contact of two body is necessary for transfer of molecules. When we touch a shopping cart in the grocery store parking lot, then conduction is the process by which heat is transferred between our hand and the handle.
Therefore, the option A is correct option that is conduction.
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word equation for HgO → Hg +O2
What is the mass of 0.25 moles of sulphur dioxide
Answer:
this is the answer okkkkkkkkkkkkkkkk
A rectangular poster is /4 yard wide and / yard tall. What is its area? Solve this problem any way you choose
Answer:
Area of rectangular poster = [tex]\frac{3}{16}[/tex] yard²
Explanation:
P.S - The exact question is -
Given - A rectangular poster is [tex]\frac{1}{4}[/tex] yard wide and [tex]\frac{3}{4}[/tex] yard tall.
To find - What is its area ?
Proof -
We know that ,
The area of rectangle = Length × Breadth
Here,
Given that,
Length of rectangle = [tex]\frac{3}{4}[/tex] yard
Breadth of rectangle = [tex]\frac{1}{4}[/tex] yard
∴ we get
Area of rectangular poster = [tex]\frac{3}{4}[/tex] × [tex]\frac{1}{4}[/tex] yard²
= [tex]\frac{3}{16}[/tex] yard²
⇒Area of rectangular poster = [tex]\frac{3}{16}[/tex] yard²
HELP PLEASE!!!!!
show work
Why are scientists worried that climate change will cause these toxic algae blooms to become more frequent?
Answer:
I would assume it would kill marine life and or a shift in the climate may possibly create a better environment for the algae to grow Don't quote me on that though I couldn't tell you
Answer:
It may kill marine life and or a shift in the climate might make better growth of algae possible.
If the Moon is in the position shown, what is the view from Earth?
Answer:
When the Moon is in the position shown below, how would the Moon look to an observer on the North Pole ... The moon's rotational period is equal to its revolutional period around Earth.
Explanation:
Which condition would have resulted from the functions of prokaryotes on early Earth?
Question 2 options:
Earth's oceans grew larger
less oxygen gas became present in the atmosphere
less carbon became present in Earth's soil
more oxygen gas became present in the atmosphere
A student pushes a box with a force of 20 N to the right and another student pushes the box with a force of 5 N to the left.
What is the net force and direction in which the box moved?
The net force acting on the box is 15 N which is the difference of the two acting forces and the box shifts to the right in the direction in which greater amount of force is applied.
What is force?Force is defined as a cause which is capable of changing the motion of an object. It can cause an object which has mass to change it's velocity. It is also simply a push or a pull . It has both magnitude as well as direction.Hence, it is a vector quantity.
It has SI units of Newton and is represented by'F'.Newton's second law states that force which acts on an object is equal to momentum which changes with time. If mass of object is constant, acceleration is directly proportional to net force acting on an object.
The concepts which related to force are thrust and torque .Thrust increases the velocity of an object and torque produces change in rotational speed of an object.
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How do nuclear reactions
produce energy?
nuclear energy originates from the splitting of urinal atoms a process called fish and degeneracy to produce steam which is used by a turbine generator to generate electricity.
Please help me on this.