What are the products of photosynthesis • carbon dioxide and hydrogen
• hydrogen, oxygen, and water
• light energy, water, and carbon dioxide
• oxygen and glucose

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

An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.