Determine the temperature, volume, and quality for one kg water under the following conditions: a. U = 3000 kJ/kg, P = 0.3 MPa b. U = 2900 kJ/kg, P = 1.7 MPa c. U = 2500 kJ/kg, P = 0.3 MPa dU = 350 kJ/kg, P = 0.03 MPa

i don't understand. explain it clearly

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.