A covalent bond is a chemical bond which involves the sharing of atoms.
So here is the most obvious thing here… tolerance is a physical effect of repeated use of a drug, a great example would be a alcohol. Always the Tolerance does not always equal a type of addiction. Withdrawal: Symptoms a person experiences when not using a substance, due to the body reacting to no longer having the substance. Now back to the alcohol… alcohol is a very commonly used on types of drugs, for an example like regular rubbing a alcohol, drinking and more. This type can really make somebody addicted to the type of substance that is in it. Hope this helps!
Your answer is A. Flowers attract and fruits spread the seeds because animals eat them.
These <span>large leaves of ferns that show multiple venation are called fronds.</span>
