Which would have the greatest effect on the rate of photosynthesis in a plant?
a. oxygen level
b. light intensity
c. sugar concentration
d. starch concentration

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

Casts and mold are a type of preservation where the original material decays, leaving a mold in surrounding rock that can be filled with another sediment a. true b. false

In this picture, groups of pigment that capture light energy are located on the