When do tornadoes form? a) when the air is suddenly heated by a lightning bolt. b)when many storm cells are arranged in a line along a front. c)when raindrops form out of rapidly condensing water vapor. d)when warm air that is near the bottom of a super-cell moves in the opposite direction of cold air that is higher up.

What feature of cell theory is best demonstrated in the image

Cassandra made a venn diagram to compare and contrast the two stages of cellular respiration. which belongs in the area marked x? energy is released. oxygen is used up. glucose is broken down. carbon dioxide is used up.

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.