How is the heat from the earth used to create electrical power?
a. the heat is used to boil water to spin a turbine.
b. the heat is used to make solar energy.
c. the heat is burned.
d. the heat is used to create fission.

How do adaptation affect a species?

What would happen if the tubing with the yellow band was placed in a beaker of distilled water?

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.