Necesito hacer cualquier punto de estos, es para una previa de resistencia y ensayo de los materiales. Es de 5to año

By what primary heat transfer mechanism does the sun warm the earth?

Astudent pushes a 60-n block across the floor for a distance of 10 m. how much work was done to move the block

Acaregiver's love, affection, and acceptance are considered conditional if they're given only when the child is well-behaved or meets set expectations. t or f