Answer:
external
Explanation:
<em>Through the process of photosynthesis, plants use the sun's energy to make sugars to function. External means from an outside force, while internal means from within. Since the sun isn't inside a plant, they gather it from outside, thus it's external.</em>
Answer:
your brain makes special hormones called GnRH, and these hormones signals the testes to make more testosterone.
Explanation:
i hoped this helped:)
Defects in transcription factors underlie some forms of cancer.
Answer:
2 membrane layers cover up the nucleus
Answer:
C
Explanation:
A scientist who studies objects in the sky, including planets, galaxies, blackholes, and stars
