An object moving at a constant velocity will a. come to a stop, unless it is pushed by another force. b. maintain a constant velocity until acted on by another force. c. come to a stop on its own. d. increase in speed.

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.