Consider a cloudless day on which the sun shines down across the United States. If 2513 kJ of energy reaches a square meter (m²) of the United States in one hour, how much total solar energy reaches the entire United States per hour? The entire area of
the United States is 9,158,960 km².

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

What are the two largest greenhouse gases

To apply in a gold the individual gold atoms are united to each other by means of a metallic bond. how would you use the gold block to determine the atomic radius of a gold atom?