Which cell part contains directions for cell growth and reproduction?
a. cell wall
b. plasma membrane
c. nucleus
d. pores

What claim did thorne make? what evidence supported his claim?

For their summer holiday, jane and her family are visiting places surrounding the mediterranean sea. which type of biome is jane and her family visiting? a. rainforest b. shrubland c. tundra d. coniferous forest

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .