Aphylogenetic tree that is "rooted" is one ) that extends back to the origin of life on earth(b) at whose base is located the common ancestor of all taxa depicted on that tree(c) that illustrates the rampant gene swapping that occurred early in life's history(d) that indicates our uncertainty about the evolutionary relationships of the taxa depicted on the tree(e) with very few branch points

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

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 which squares should the phrase "green pods" appear a) a and d b) b and e c)a,c, and d d)a,b,c,d and e