Grasses and mosses sprout in alaska’s tundra in summer when

a. the soil is fertile

b. rainfall is adequate

c. the top layer of soil freezes

b. the top layer of soil thaws

Which objects allow humans to access groundwater? check all that apply.

Rainbow trout is non- native to the united states. however this species is breeding with the native gula yltrout acientistrecently observed that the hola trout were becoming exitinct what is the cause of their extinction

Hurricanes a. usually form over land b. usually intensify over land c. gain strength from ocean heat d. usually form over the poles