Which are uses of electromagnetic waves? check all that apply. cooking foods insulating buildings using heat lamps transmitting radio signals using medical imaging lighting rooms cooling refrigerators

1-cooking foods

3-using heat lamps

4-transmitting radio signals

5-using medical imaging

6-lighting rooms

Explanation:

elctricity and magnet is conversion to it

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.