Explain why Point A is younger than the rest of the sandstone layer. (Hint: look at the key)

Points A (most likely) converged under the rest of the layers and was first on the surface. The sandstone however has had layers after layers stacked onto after millions of years.

Explanation:

d i think its   answer d

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.