Most genes contain the information needed to make functional molecules called proteins. this is the answer on APEX
Reactants. Reactants are the substances that are needed for a chemical reaction to occur. Without reactants there are no products.
Answer;
A. the Sun's rays are nearly perpendicular to Earth's surface.
Explanation;
-Tropical region receives more solar radiation not only because the Sun’s rays hit the region more directly, but also because they travel through less of the atmosphere to get there.
-Some radiation is absorbed as it travels through the atmosphere, so less energy is lost in tropical regions.