Which factor helped to first drive plants to live on land? greater access to sunlight on land
lack of competition in the water
greater access to water on land
lack of turgor pressure in the water

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years

The volume of a single vanadium atom is 9.29×10-24 cm3. what is the volume of a vanadium atom in microliters?