Limit X tends to zero sin x divided by x whole raise to the power 1 diveded x

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)

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas

Select the correct location on the image identify the element that humans need to breathe. 2015 er r ights reserved