Help pls!!!Are the orbits of the planets in the solar system as they revolve around the Sun perfectly circular?
Explain.

At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?

Find the midpoint of a segment with endpoints of 4-3i and -2+7i

According to the passage, which of these is true about gray water systems? a) gray water systems use plants that require less water. eliminate b) gray water systems require the use of less fossil fuels. c) gray water systems reduce the amount of fresh water used. d) gray water systems reduce the amount water used by shower heads.