A layer of permeable rock that is sandwiched between layers of impermeable rock is called?? A. a natural bridge

B. karst topography

C. limestone topography

D. an artesian formation

really dont know just need some points

a. to encourage apoptosis

flooding wildfire landslides climate change the factors listed have an immediate effect on the animal populations found in any habitat. the four factors would lead to a death. b emigration. eliminate c immigration. d mutations.

a. population growth is decreasing

-2

+4

-10

-3

-8

-3

so the population decreased by 24 because 3+3+8+10+2=26-2=24.

hoped i !

explanation: