1 point The sound of minimum
wavelength and audible to
*
human ear is
O 1.66 cm at 0°C
O 1000 Aº
O 4000 Aº
O 1.65 m at 0°C​

The correct answer is 1.65 m at 0⁰C

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.