<span>I believe it is light, but this is kind of a confusing question. Technically there is a independent and dependent variable in the question. The variable being manipulated is light, and the earthwork activity depends on the light. </span>
Answer:
I think the pigment should be chlorophyll
and the product is definitely oxygen and energy
Agriscience is the right answer :)
Probably the intertidal zone, as I reason the tides would affect life dramatically. High and low tide would affect land and ocean creatures in this zone too often where as the coastal and open oceans have constant properties.
Fill a graduated cylinder to 10mL, place the rock inside and calculate the difference in mL.
