The artic circle receives several days each year where the sun never rises.
True
False

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

What is the percentage composition of carbon in the compound ch4

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?