How could a long-term decrease in precipitation impact an area? A) it could increase the average water level of lakes in the area
B) it could increase the anount of flooding in the area
C) It could decrease the amount of possible infiltration in the area
D) It could decrease the possible amount of damage to crops in the area ​

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

atp is used for energy.