Jean Piaget was the one who came up with the <span>four stages of intellectual (or cognitive) development and these are sensorimotor, pre operational, concrete operational and formal operational. The state in which a child has developed object permanence by the end of the sensorimotor stage. Hope this answers your question.</span>
he survey found these prominent economists all strongly in favor of the U.S. government spends billions of dollars annually in foreign aid to developing countries. Protectionism benefits a relatively small group of special interests. The political pressures to grant monopolistic privileges are so strong.
The speaker describes frustration with racial inequality
Answer:
the hunter in the center uses the trial carry.
The future of the Universe will be determined by the struggle between the momentum of its expansion and the pull of gravity. ... The vertical scale indicates the size of the Universe. For the next several billion years, the expansion of the Universe gradually slowed down due to the effects of gravity on matter.
