Why will soap not remove polar stains when in polar solvents? A. The soap is not attracted to the polar stain
B. The soap competes with the polar solvent to interact with the stain it doesn’t play a significant role in removing it
C. The polar solvent is too attracted to the tails of the soap molecules
D. If the soap surrounded the stain with the polar end the nonpolar end would come in contract with the polar solvent which is more stable

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.

the force represented by vector a is normal force. if the hockey puck is moving to the right, when it is hit with a significant force by the hockey stick the puck will move off in a different direction. correct on edge.