Based on its location on the periodic table, which metal is likely to be less reactive than both strontium and sodium?

the correct answer is b

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.

friction

explanation:

they us to move forward and backwards