At what point in time (A ,B or C) is the reaction the fastest? How do you know? A
B
С

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

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

How does the motion of particles in a gas change as the gas cools