What is the name for the two rivers of wind five to ten miles above the earth that travel west to cast encircling the earth? These rivers of wind are responsible for much of the general weather on the earth

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.

Give examples of selective advantage of organism’s body part/organ

How do the sperm cells get from the stigma to the ovules?