Which of the following are characteristic(s) of molecules. select all that apply. molecules consist of two or more atoms. atoms consist of two or more molecules. all molecules have a positive charge. all molecules have a neutral charge. all molecules have a negative charge.

Iknow #2 is d. i just need to know why

Which statement best explains the relationship between an area is geography and the temperature of its surface water

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)