Many animals have beneficial traits that help them survive their environment. How do these traits develop in organisms?

What have we learned from fossil evidence about evolution? a) it is an abrupt change. b)the process is observable. c) it takes place during one lifetime only. d)the most complex traits are always selected.

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.