Which is most likely a covalent compound?

O LiF
O MgS
O NH3
O CaCI2

Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Me with these questions image attached