Radiation from the Sun heats the land during the day. A circular current of warm air rises from the land and moves out to sea, where it cools. This process of moving air is best described as . A.
radiation and conduction

B.
convection

C.
conduction

D.
radiation

D

Explanation:

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.