Complete these statements, choosing from the following list of possible answers. artificial foods solar energy watt inclined plane galileo faraday fossil fuels darwin pollution is the contamination of the earth. the physicist who discovered the generator was one solution to the earth''s energy shortages and pollution is the egyptians used the to build the pyramids. agreed with copernicus that the earth is not the center of the universe. a4

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a. one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b. one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c. one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.