How can chemical and physical concepts be used to explain the reaction during photosynthesis

Which traits do human embryos have that link them to a common ancestor with fish and reptiles? a. scales and tail b. gill slits and scales c. tail and gill slits d. hair and tail

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

Describe the interaction that occurs between two objects with the same electrical charge.