The sleep stage at which muscles begin to contract and relax is A. stage 1
B. stage 2
C. stage 3
D. stage 4

DONT ANSWER UNLESS U HAVE TAKEN THE TEST ON EDGE AND KNOW ITS CORRECT

How did the growth of railroads american businesses expand

What was the result of president taft's "dollar diplomacy

What can you conclude about the information given here ? a)juveniles must testify in court b)adults are held to a lower standard c)the state guarantees that juveniles have legal rights much like those of adults d) punishment for juveniles violators are much more strict than those for adults