Which are true of chlorophyll? select all correct answers
A) it absorbs mostly red and blue like to get energy for photosynthesis
B) it reflects greenlight that’s why it’s green
C) it’s found in chloroplasts
D) it’s a pigment
E) it absorbs Green Light

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

Wich level of organization includes all the other levels or organizations

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.