The need for natural resource should increase.
Answer:
B. Disruptive Selection
Explanation:
the population is divided into two distinct groups, or is disrupted so the gentics start to vary between the separted populations over time.
Answer - Ground water erosion is a type of carbonic acidic water. That goes into the holes thru the soil and pretty much cracks thru rocks.
Viruses is the answer to this
Water cycle
sun
never
evaporation
transpiration
condensation
precipation
run-off
