Which of the following machines most likely has the greatest efficiency? a
A. Airplane
B. Automobile
C. Bicycle
D. Human body

the force on the thing and the distance the force moves the thing

the assestment will probley apele with cause and effect

i really dont know but i will try okay.

so i think u would just add all them up and get your answer..

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.