I believe the answer is D. Hope this helps ;D
<span>He was the first person to figure out genetics well enough to be able to predict the results of crosses that he made.</span>
Answer:
4
Explanation:
Carbon has four valence electrons, so it can achieve a full outer energy level by forming four covalent bonds. When it bonds only with hydrogen, it forms compounds called hydrocarbons. Carbon can form single, double, or triple covalent bonds with other carbon atoms.
