Ignore my writing, but I’m so confused on this. Please help me Before this it was talking about sig figs, so I’m not sure if you’re supposed to use sig figs in this or not.

Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.

Modern weaponry has increased the number of deaths in wars and violent conflicts.

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)