What process can cause water in aquifers to become brackish and unusable for agriculture? A) volcanic activity

B) eutrophication

C) erosion

D) groundwater infiltration

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content