<span>The clue which indicates that speciation has occurred between two populations is definitely </span>D.
The two populations can no longer interbreed. I picked this one because <span>speciation is a process when two populations become distinct. Hope it will help!</span>
Answer:
Since it has no charge it would have 20 electrons .
Answer:
Convection currents are the result of differential heating. Lighter (less dense), warm material rises while heavier (more dense) cool material sinks. It is this movement that creates circulation patterns known as convection currents in the atmosphere, in water, and in the mantle of Earth.
Explanation:
Answer: Platelets release a vasoconstricting substance called <u>SEROTONIN.</u>