•. Archaeppteryx is called the connecting link between which classes? a) Amphibia and Aves
b) Amphibia and Reptilia
c) Reptilia and Aves
d) Aves and Mammalia • .​

Which properties describe all matter?

Plz ! having a smooth seeds is the dominant trait. having wrinkled seeds is a recessive trait. the offspring of two plants with smooth seeds, a. must have smooth seeds. b. may have smooth or wrinkled seeds. c. must have wrinkled seeds. d. have a 25% change of having smooth seeds.

Why is it important to study each branch of earth science?