Answer:
2. Fresh water is essential to all life on earth.
and
4. Most of earth's water is stored in the oceans
Explanation:
Hope this helps you! :)
The answer you chose is right
Helps with oxygen and stuff
In the mitochondria of the cell
Answer:
B. Hardness
Explanation:
Physical properties of a substance is defined as the properties which can be observed or measured without changing the composition of matter.
Physical properties include odor, appearance, color, texture, boiling point, melting point and many others.
Hardness is a physical property of a substance as it describes the resistance of substance to deformation and can be observed by simple touch or without changing the composition of matter.
While reactivity, toxicity and flammability are chemical properties of substances that change one type of matter into another type.
Hence, the correct option is B.
