PLEASE HELP! I'LL GIVE BRAINLIEST TO THE CORRECT ANSWER! NO SPAM! Which of the following is not a result of geological events that impact the distribution of ecosystems?

A. Changes in habitats, resulting in organisms adapting to new ecosystems.
B. Increased speciation, leading to more competition of resources
C. Increased atmospheric carbon dioxide, leading to higher levels of radiation.
D. Changes in distribution or organisms, due to speciation and extinction.

It is d or c leaning more towards d HOPE THIS HELPS

Explanation:

b

Explanation:because if they have to compete for resources some of the species would die out and there would not be any animal to control the overpopulation .

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:

answer: that would be cheating

explanation: