Answer:
the answer is option D : 4
I think the answer is D. ( or supported by observations ). Because theories change over time, they both NEED to be proven, they do NOT go off of consensus, but they do NEED to be supported by observations.
I hope this helps.
Answer:
<h2><em><u>Chlorophyll</u></em></h2>
Explanation:
<u>Chlorophyll, the primary pigment used in photosynthesis</u>, <em>reflects green light and absorbs red and blue light most strongly</em>.
In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll.