What must be known to determine the direction of the magnetic force on a charge? check all that apply.
a. the type of the charge
b. the amount of the charge
c. the direction of the magnetic field
d. the velocity of the charge
e. the strength of the magnetic field
check all that apply

A, C, D

a. the type of the charge

b. the amount of the charge

c. the direction of the magnetic field

d. the velocity of the charge

e. the strength of the magnetic field

answer(20) psi;

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.