Which of the following elements does soil need in the largest quantities to sustain plant life? a. copper b. iron c. nitrogen d. zinc

a adaptation is when organism changes itself to fit the environment

ex. when its cold outside i wear a jacket

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amber has allowed scientists to study dna that has been preserved over millions of years.

the dark variety, as they are not visible on the dark tree barks

explanation:

explanation:

the universal gravitation equation. since the gravitational force is directly proportional to the mass of both interacting objects, more massive objects will attract each other with a greater gravitational force. if the mass of one of the objects is doubled, then the force of gravity between them is doubled.