Someone help me plz thankss!!

i think that is a. i hope this help you.

Explanation:

thermal energy is the same as heat, therefore the electrical charges turn into thermal energy providing heat for the usage of that item.

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y

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.