Joe sowed seeds of a plant in two different types of soil in separate pots. She added the same amount of fertilizer to the pots. She then placed the pots in the sun and recorded their growth after four days. What is the independent variable in the study? Duration of growth
Amount of fertilizer
Growth of seeds
Type of soil

If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped