Which of the following choices did Wegner give as evidence for continental drift? a) Fit of continents, rock sequences, glacial evidence
b) Identical fossil species on different continents (both plant and animal), Antarctic climate changes
c) Sea-floor spreading, mid-ocean ridge, and trenches
d) a and b only

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

Tides that occur during the new and full moons

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.