What is a group of two or more atoms that are held together by chemical bonds? A.) formula

B.) molecule

C.) mixture

D.) element

answer: a) y=-8x+5

a) m= -8

b) m= -2

c) m= 7

d) m= 6

1/0.14nm = 10^10/1.4 a lot

a displacement distance is size of displ

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.