2. heavier football players tend to play on the front line. why?

Heavier footballers are usually on the front line because they have a low point of gravity therefore they are able to block the back running players in a better way.

Explanation:

this phenomenon is based on the newton's laws which helps in sorits also.

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.