Answer: A
Explanation:
"There are six main elements that are the fundamental building blocks of life. They are, in order of least to most common: sulfur, phosphorous, oxygen, nitrogen, carbon, and hydrogen." "The four most abundant elements in the human body – hydrogen, oxygen, carbon and nitrogen – account for more than 99 per cent of the atoms inside you." Hope this helps :)
Answer: Transformation of one thing to another follow cyclic pathway.
Explanation:
In biology the arrows are used to show the conservation of one form of energy into another form. This can be seen in the cyclic pathways in which transformation of one thing occurs into another thing. For example the concept of metamorphosis in insects involves the conversion of transitional immature stage into adult insect by egg, pupa, larva then into adult insect this growth can be represented by the series of arrows.
It will be reactivated during the next cell division.
