Determine el trabajo que una persona debe efectuar sobre su mochila que transporta alimentos de 15 kg para llevarla a la cima de una colina de altura h = 20 m como se observa en la figura (4 Pts.)

b) returns freshwater to the earth.

c) returns freshwater to the earth.c) occurs after condensation.

d) returns freshwater to the earth.c) occurs after condensation.d) roughly equal to the amount of evaporation.

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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.