Carbohydrates are made of carbon, hydrogen, and

oxygen

phosphorus

water

What is a coast of using technology to transport water? a. cities can be built in otherwise uninhabitable areas. b. crops can be irrigated and grown in new areas. c. floods can be averted in flood-prone areas. d. freshwater supplies can be depleted in an area.

Long term exposure to waves can cause sunburns and skin cancer.

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic