What is the benefit to doing epidemiological studies? A.) Patients do not have to unwillingly be exposed to harmful substances

B.) Patients are never exposed to harmful substances

Which of the following sex and generation combinations directly produces the pollen tube of angiosperms? a) male gametophyteb) female gametophytec) male sporophyted) female sporophyte

Describe at least 2 abiotic and two biotic factors found in the desert biome how do these abiotic factors interact with the biotic factors

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring