There is a skier at the top of a ski slope. The skier has potential energy. What gives the skier his potential energy?
A.
gravity
B.
his efficiency
C.
friction
D.
his speed

When conducting an investigation to determine which type of fertilizer produces the most flowers on a plant, which variable would be graphed on the x-axis once you collected the data? a. type of fertilizer b. amount of flowers c. amount of water d. number of days that the plants grew

Which of the following is not a physical property of mattera. melting pointb. heat of combustionc. viscosityd. boiling point

Smallest intensity of a stimulus that you can detect 50 percent of the time is