Which of these is essential in the construction of an electric generator?
A. battery
B. wire coil
C. metal base

the part of the wave he is travelling on is the crest

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide

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.