A farmer mates a goat and sheep together. However, he
finds that the new hybrid animals, who seem otherwise
healthy, cannot have offspring of their own. What is this
an example of?

A. Gametic isolation

B. Mechanical isolation

C. Low hybrid viability

D. Post zygotic barrier

the answer is c most of the fortnite players usually buy v bucks to get the battle pass and other cosmetics but some players who are referred to as "no skins" don't   buy skins and are usually noobs.

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i believe your answer would be c.. : )

high growth (apex)

osteogenesis imperfecta (oi) refers to a congenital ailment of bones. in the condition, the bones become brittle or fragile. this ailment is a general result of the defect or mutations in the genes (colia1 or colia2). this mutation results in imperfect collagen formation either in quantity or quality wise.  

there are eight kinds of oi defects, and each kind varies with certain distinctions in symptoms. the usual symptoms include frequent bone fractures, loss of hearing in infants, protruding eyes, discoloration of the white in the eyes, respiratory issues, loosening of the joints, short stature, and other symptoms.