# Which of the following contains most of the water on earth? A)the oceans B)watersheds C)the atmosphere D)ice and aquifers

The oceans contain most of the water on earth. Therefore, option A is correct.

Which ocean contains the most water?

The largest and deepest ocean basin in the world is the Pacific Ocean. The Pacific Ocean basin is by far the largest in the world, covering around 63 million square miles and holding more than half of the planet's free water.

About 97 percent of the water on Earth is in the ocean; the other 3 percent is in glaciers and ice, underground in rivers and lakes. Approximately 97 percent of the 332 million cubic miles of water that make up the world's entire water supply are located in the ocean.

More than 70% of the surface of our globe is covered by the water. It's difficult to believe, yet our oceans contain nearly 97 percent of the water on Earth.

Thus, option A is correct.

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## Related Questions

What units of measurement do scientists use?

Scientists generally use the SI or International System of measurements, the metric system.

What does the atmosphere do for us

The atmosphere protects us and what is on earth from the suns rays and also harmful radiation. It's kind of like a barrier between the sun's direct rays and earth.

An Erlenmeyer flask contains 25.00 mL of 0.10 M HCl. What is the pH of the solution? –1.0 0.40 1.0 –1.6

The pH of the solution is 1.

Explanation:

Concentration of HCl solution = 0.10 M

1 mole of HCl gives 1 mole of ions.

The pH of the solution is defined as negative logarithm of ions in the solution.Mathematically written as

The pH of the solution is 1.

C=0.10 mol/l

pH=-lg[H⁺]

HCl = H⁺ + Cl⁻

pH=-lgc

pH=-lg0.10=1.0

pH=1.0

What do non polar molecules have in common? And... What do polar molecules have in common?

I believe u mean what is the difference between the two but nonpolar molecules have equaly sharing valence electrons and polar molecules have unequaly shared valence electrons.

The finished product or waste that forms as a result of a process is known as _______.  A.

negative feedback

B.

positive feedback

C.

the input

D.

the output

Out put I believe if not google is ur friend

D

Explanation:

Calculate the rms speed of an oxygen gas molecule, o2, at 29.0 ∘c . express your answer numerically in meters per second.

The rms speed of a gas can be calculated using the following rule:
Vrms = sqrt ( 3RT / M) where:
R is the gas constant = 8.314
T is the temperature = 29 + 273 = 302 degrees kelvin
M is the molar mass of the gas (oxygen) = 2*16 = 32 grams = 0.032 kg

Substitute in the equation to get Vrms as follows:
Vrms = sqrt [(3*8.314*302) / (0.032)] = 485.05 meters/sec

The rms speed of an oxygen gas molecule : 485.17 m/s

Further explanation

Kinetic Molecular Theory (KMT) states that a gas consists of molecules that move at a constant and random speed. The collisions between molecules are perfectly elastic so that no energy is wasted.

The molecules move in straight lines until they collide

Energy because this motion is expressed as Kinetic energy (KE) which can be formulated as:

The average kinetic energy value is only affected by temperature changes. The higher the temperature, the average kinetic energy of the molecule increases

This molecule is very small when compared to the distance between molecules, so the volume of gas contains mostly empty space

Gas particles move randomly (both speed and direction , as vector)

Average velocities of gases can be expressed as root-mean-square averages. (V rms)

R = gas constant, T = temperature, Mm = molar mass of the gas particles

From the question

R= 8.314 J/mol K

T = 29 + 273 = 302 K

Mm = molar mass O₂ = 2.16 = 32 g/mol = 32.10-3 kg/mol

inertia affect during a collision

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Henry's Law

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ideal gas

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Keywords: Kinetic Molecular Theory, Collisions, The average kinetic energy , the rms speed, gas molecule

How many phosphate bonds are responsible for the high energy content of ATP? A) one B) two C) three D) four

The answer is A. The ATP is called adenosine triphosphate which means that it has three phosphate groups. But when energy is released from ATP, ATP will transform to ADP. In this process, only one phosphate bond will break.

2. Choose the 2 atoms that are isotopes. Think about what isotopes have in common and what they have that differs. * 1 point
16 protons, 18 neutrons, 16 electrons
17 protons, 18 neutrons, 18 electrons
17 protons, 18 neutrons, 17 electrons
16 protons, 15 neutrons, 16 electrons

the two atoms with 16 protons

Explanation:

if the number of protons are equal, they are of the same element but the number of neutrons should be different

Whichof the following is not determined by the type and arrangement of atoms in a mineral? A. Thermal properties

B. magnetic properties

C. electrical properties

D. its position on a hillside