How is sympatric speciation similar to allopatric speciation?

They both involve speciation due to physical barriers.

They both result in a subspecies evolving into a subpopulation.

They both are mechanisms by which new species arise.

They both involve joining two gene pools that were formerly separated.

the answer is c. it will give up it's valence electron to the other atom.

i wish i could with all of them i can barley see the first one so here's the answer to the first one b

transformative rocks are the stones that emerge from the transformation of existing rock composes in a procedure called changeability, implies changing of structures. transformative rocks are shaped from alternate shakes that are changing a result of warmth or weight connected. one of this model is the earth developments that making rocks profoundly cover or crushed which will make the stones warmed and put under awesome weight. they are not softening but rather the minerals they are containing are changed synthetically that will shape transformative rocks. now and again different rocks are shaped when the others are near some liquid magma and getting warmed.

a. 35°c

b. 25°c

c. 10°c

d. 40°c