This is actually science for my brother (elementary school 4th grade) ASAP!! ;)

A Identify the energy source that supplies the energy to turn the blades of the turbine.
B. Describe the flow of energy through the wind turbine to the power lines.
C Identify the phase (number in the diagram) that electrical energy is transferred into heat energ

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

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.

Is a fossil fem that support wegener's hypothesis of continental drift a. gondwanded b. kannemerid c. mesosaurus d. glossopters