Which statement is true about the elements of the earth?
a.
earth's elements are used and reused in different molecules over time.
b.
earth's elements stay in the same areas of the lithosphere, hydrosphere, or atmosphere where they originated when the earth was formed.
c.
earth's elements pollute the environment and should be discarded.
d.
earth's elements are constantly being created and destroyed so that a constant amount of matter exists.

A.  

Earth's elements are used and reused in different molecules over time.

Explanation:

Earth elements remain constant and are used and reused in different molecules over time.

A good example is water, it is used and poured to the ground.

After this it rises through evaporation to form clouds and later come down as rain.

Rain water is collected and used for different purposes including industries, agriculture and for domestic use.

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.

there really is life in the deepest part