How many kilojoules of heat energy is required to heat a 200. g block of ice at -10 c melt it forming a liquid, and heating up the liquid to 20 c?

Which statements did both aristotle and ptolemy assume? check all that apply.

Match each type of lever with the correct diagram. 1. first-class 2. third-class 3. second-class

Does science support the idea that humans have influenced global warming? provide specific examples that show how two knowledgeable individuals with differing opinions might argue.