Answer: The answer is A, hopeful.
Explanation:
The reason why is because the words improve, cure, and prevent, in a sentence, mean's something is going to get better which gives off the feeling of hope.
Answer:
Because a C atom can form as many as 4 other atoms
Explanation:
Debido a que un átomo de C puede formar enlaces covalentes con hasta otros cuatro átomos, es muy adecuado para formar el esqueleto básico o la columna vertebral de una macromolécula.
Answer:
I think It is just a glitch dude I don't actually know
B ) Do we stand our ground? Or, do we conform to the world?