When a collision occurs between two reactant particles that, between them, have the required minimum kinetic energy, or activation energy, a product does not always form. which of the following reasons explains this?

a. low temperature

b. small surface area

c. unfavorable geometry

d. low concentration

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?

What kinds of foods are high in lipids?