Avogadro's law relates the volume of a gas to the number of moles of gas when temperature and pressure are constant. according to this law, how would the volume of a gas change if a reaction produced 1 mole of gas from 2 moles of gaseous reactants? a. the volume would be one-fourth of the original volume. b. the volume would be four times the original volume. c. the volume would be two times the original volume. d. the volume would be one-half of the original volume.

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

The excretory system,need answers for all: )

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.