The diagram below shows a model of the Earth's orbit around the Sun. Positions I, II, III, and IV represents Earth's position at the beginning of
each season.

Between which two positions does the Earth's Northern Hemisphere move
from Summer to Fall/Autumn?

I and III

II and III

IV and II

I and IV

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle

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.