What are the two factors that determine the gravitational force
between any two objects?

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

Explain that newton first law, second law and third law of motion?

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.