Question 1: Water (H20) is pretty common in the solar system, but water plays a particularly important role on Earth. All chemical reactions in living systems occur in water. But water also has another unique characteristic on Earth. Water can be found in which states of matter on Earth? Explain their form.

Water is the only thing in the world that can be found in all states of matter.

Water comes in solids, liquids, and it comes in the form of gas as well.

Water as a solid can be ice. Water as a liquid is water in it's pure form. Water as gas can be steam.

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Water can be found in solid, liquid and gas.

Explanation:

The solid is ice, the liquid is pure water, the gas is steam. These are the three components of water, the only thing that is in all states of matter.

what best describes physical development during adolescence is the development of secondary sex characteristics happens at a rate unique to each individual.

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explanation:

physics means: "the branch of science concerned with the nature and properties of matter and energy. the subject matter of physics, distinguished from that of chemistry and biology, includes mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms."