"Escriba la fórmula matemática que permite calcular la fuerza y el peso de un cuerpo que cae desde cierta altura."

the current is 0.6

voltage ÷ resistance = current

so 12 ÷ 20 = 0.6

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.

answer///scientific method;