Two fossils with reptilian characteristics are part of a shipment of fossils sent to a museum. The only difference is that one of the fossils shows evidence that the organism had feathers. Which fossil is probably older and why?

Which describes a homogeneous mixture? A solvent dissolves in a solute to make a solution. A solute dissolves in a solvent to make a solution. A solution dissolves in a solute to make a solvent. A solution dissolves in a solvent to make a solute.

What happens to the solubility of a gas in a liquid if the partial pressure of the gas above the liquid decreases?

Galvanized nails are iron nails that have been plated with zinc to prevent rusting. the relevant reaction is zn2 (aq 2e? zn (s for a large batch of nails, a manufacturer needs to plate a total zinc mass of 3.

In what ways do members of different species interact?

The human body can get energy by metabolizing proteins, carbohydrates or fatty acids, depending on the circumstances.

Extracting oil from shale deposits a has been initiated on a large scale in the United States and will soon surpass Canada's production. b involves removing and refining waxy hydrocarbons called kerogen.

Which shows the levels of organization within an ecosystem from largest to smallest?

the physical properties of 10 grams of iron are the same as the ___ properties of 20 grams of iron a) reactive b) physical c) chemical

How many moles in 68.1 grams of Cu (OH) 2

What happens to the particles in a substance when it is cold?