The hydrologic, carbon, nitrogen, and phosphorus cycles are essential to the (asthenosphere, hydrosphere, lithosphere, biosphere). this is why they are called biogeochemical cycles.

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.

i think it’s c but i might be wrong. if i am let me know! have a good rest of your day as well!

the glands which are associated with each description is given below:

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.