B. Riding a bike after school
Smoking tobacco, spending time with violent people, and using drugs are all bad and unhealthy behaviors while riding your bike promotes exercise.
Okay. Gamete is combined with either a sperm or an egg to make a zygote. Therefore, A is our. Plus, B and D doesn’t make any sense with what we’re talking about. Zygote is a mature sex cell. The answer is C: Zygote.
Answer: The pineal gland produces melatonin
