As a star gives off energy in a thermonuclear reaction, the mass of the star
1.
decreases
2.
increases
3.
remains the same

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's

What substance has a mass of 9.5g and volume of 2.1cm^3