Select all that apply.

what evidence suggests the continents were once all together but then drifted apart?

mountain ranges in north america match up with those along the european coastline.
similar fossils of plants and animals are found on widely separated continents.
remains of tropical plants found in antarctica.
matching jig-saw puzzle coastlines, particularly with the west coast of africa and east coast of south america.

What element is able to combine with itself and hydrogen to form large molecules ?

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.

In the presence of oxygen, glycolysis is followed a. the krebs cycle b. lactic acid fermentation c. alcoholic fermentation d. photosynthesis