<h3>Answer is: Scientific <em>Experiment</em></h3>
Answer:
Reptiles have scales, and their skin is dry. Amphibians do not, and their skin is often moist with mucus, which keeps them from drying up.
There are many traits that are determined by genetics alone, blood type, eye color and height.
1. substrate
2. active site
3. reaction
Naturally occurring compounds in the earth are called minerals.
