The answer is A. the presence or absence of an envelope
Explanation:
Biology :- It is the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behaviour, origin, and distribution.
Biotechnology :-It is the use of biological systems found in organisms or the use of the living organisms themselves to make technological advances and adapt those technologies to various fields.
Answer:
answer is loss of habitat
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Answer:
they are all lined up.
Explanation:
the moon blocks the sun which is in front of the earth
