G four pairs of species are given, with descriptions of how they interact. Match each system of differential equations with a species pair, and indicate which species is and which is . (a) represents the population. represents the population. (b) represents the population. represents the population. (c) represents the population. represents the population. (d) represents the population. represents the population.

then that particular organisms become extinct.

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:

idk what the options are but

these is a strong electrostatic attraction between the ions hence a lot of energy is needed to overcome this attraction

this is why the boiling points are so high