19)  a car travels 10 miles east in 30 minutes. what is its velocity in miles per hour? a)20 miles per hour eastb)3 miles per minute eastreactivatec)0.333 miles per hour eastd)+ or - 20 miles per hour depending on direction

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.

no. bullets are macro objects. wave nature is for light waves, extremely tiny particles. if a light particle was the size of your finger, the bullet would be the size of the universe. so basically, that huge difference in size makes the wave nature of matter insignificant.