The ionic equation for mgcl2 and koh.

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?

Which of the following has wavelength longer than the wavelength of viable light? a) x rays b) gamma rays c) radios waves d) ultraviolet waves