Why is your model useful for describing winds over the oceans but not necessarily the winds that blow over landforms, such as coastlines and mountains?

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

20 the compound al(nh3)2 has atoms of nitrogen.

Which of the following types of reactions would decrease the entropy within a cell? a. dehydration reaction, b. hydrolysis, c. respiration, d. digestion, e. catabolism.