Which compound uses the oxidation numbers to write the chemical formula?

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.