A classmate argues that fossil fuels are the best energy resources in terms of efficiency, so the government should not bother developing alternative energy. How can the data in Figure 2 be used to evaluate your classmate’s argument?

The p sub shell can hold up to 8 electrons in an atom. true or false?

What effect might melting sea ice have for people who live in coastal areas?

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.