I believe the answer is C.
Mercury,Venus,earth, and mars
Ph means health because i was in health class and she said ph means heath
Answer:
the answer would be at the bottom where it`s says explanation.
Explanation:
PAR intensity is an important factor that determines the rate of photosynthesis. At low light intensities above the light compensation point (LCP), photosynthetic rate increases proportionally to the light intensity and reaches a maximum