Wool yarn can be substituted for the human hair in a hygrometer why would this work?

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

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