It is possible for different covalent compounds to have the same empirical formula because empirical formulas represent a. a total of all ionic bonds. c. a model of the compound. b. only the cations in the compound. d. a ratio of atoms in the compound.

In a closed or isolated system , matter can not be created or destroyed. it can change forms but is conserved true or false

2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit

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