A plant gets the energy it needs from the Sun. The plant uses about ten percent of the energy to carry on its life functions. The plant transfers approximately another ten percent of the energy to the consumers in a food chain.

Which statement describes the appearance of a temperature-vs.-time graph? a horizontal line shows that the temperature increases at a constant rate over time. a vertical line shows that the temperature decreases at a constant rate over time. horizontal lines where the temperature is constant during phase changes connect upward-sloping lines where the temperature increases. horizontal lines where the temperature increases are connected by upward-sloping lines where the temperature is constant for each phase.

Often on a topographic map, every fifth contour line is darkened. what is this line called? a. key b. slope c. benchmark d. index contour

What does the mass of 0.7891 mol of ferric oxide (fe2o3)