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.
Chloroplasts, they help the plant cells to perform photosynthesis which animal cells do not need
Answer:
There is 3 because K2 is its own atom and it has 2 K2 and Co3 is its own and there's one
Explanation:
This is what I was taught
Answer:
natural selection I guess
Answer:
Carbohydrate intake before trial.
Explanation: