Which of the following is correct about how plants relate to animals in the Earth’s system

If a plot weight (in g) vs. volume (in ml) for a metal gave the equation y= 13.41x and r^2=0.9981 what is the density of the metal?

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

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.