Sunflowers belong to which of the following kingdoms?
a. animalia
b. fungi
c. plantae
d. protista

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere, b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify, d)anaerobic bacteria kept thriving with more oxygen

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -