Average velocity of Mike Phelps swimming 100 m race in the 50 m long pool (2 laps) is approximately equal to * A. 0 m/s
B. 1 m/s
C. 2 m/s
D. 4 m/s

chemical properties of thing

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.

b

explanation: