ANSWER ASAP!! In your own words name two types of acids and two types of bases. Describe how each are used..

What is the polyatamic ion of borate

Drug abuse will not lead to physical and psychological dependence. true or false ?

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)