Life would not be possible on earth without the water that covers much of its surface and the air that surrounds it, earth water and air affects each other in many ways
which of the following situations represent an interaction between the atmosphere and the hydrosphere

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.

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: