Answer: Fear and anxiety are influenced by many genes; there is no such thing as a simple "fear" gene that is inherited from one generation to the next. The genes controlling neurotransmitters and their receptors are all present in several different forms in the general population.
Explanation: BRAINLIEST PLEASE and THANK yOU
Explanation:
Yes, Nicotine is very addictive, so like, if you take a ciggerate and start to smoke, the smoke enters your lungs, and nicotine is instantly absorbed into the blood and delivered into the brain, it takes effect sometimes as quickly as 10 seconds. Nicotine can change how the brain works or thinks, and can make the brain to crave more of it. Nicotine when it enters your brain realeses a thing called, dopimine which gives the person a good feeling. Dopamine is something in the nervous system to send messages to the brain cells, your body makes it, high levels of dopamine change our daily behaviors. So if nicotine releases or rises the dopamine, it can get you sick and addicted really easily in just 2 or 3 days of smoking, i will not consider smoking any tobaco.
The term commercial refers to activities of commerce, business operations intended for an exchange on the market with the goal of earning profits. The non-commercial activity also exists in the form of non-profit organizations or government agencies. Hope this helps you!
