COURSE ACTIVITIE: DESCRIBING HOW LIGHT INTERACTS WITH MATTER

Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?