The more carbon atoms a hydrocarbon has, the greater the number of isomers. Eric has a hydrocarbon with 20 carbon atoms. Rita has a hydrocarbon with 35 carbon atoms. Whose hydrocarbon has more isomers Eric or Rita?
Rita

If there are more greenhouse gases in the atmosphere, more ultraviolet radiation will be trapped and the Earth will heat up. If greenhouse gases in the atmosphere were to be doubled, Earth will become cooler or warmer?
warmer

Developing nations will also increase demands on natural resources as they build more factories. Sinclair is looking at the effects that factories are having on developing countries natural resources. He studies one country that is building fewer factories. In that country, the natural resources are likely experiencing less or more demands because fewer factories are being built?
less

The voice becomes deeper as the larynx in the throat grows larger. Eric underwent surgery to decrease the size of his larynx. His voice is now higher or deeper?
higher