Which of the following participate in the types of bonds an element can form?

A. the valence shell electrons
B. all of the electrons
C. the valence shell
D. the protons

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

What is gene flow? apexa: selection for average traits b: when a population splits in twoc: a mutation becoming more commond: genes moving between two populations

Brendan made a diagram to compare and contrast the benefits of two types of social behavior. which description belongs in the area marked "z"? reproductionprotectionforaginghydro dynamic efficiency