What are the two sources or heat in earth's interior? a) radioactive decay and convection currents b) magma and liquid outer core c) sunlight and meteor impacts d) leftover heat from formation and radioactive decay

All of the following are part of the biosphere except

Geothermal energy for industrial use is available almost anywhere. a.true b.false

You exhale co2 which is produced during cellular respiration.  co2 combines with the water in your blood's plasma to make up one half of the body's most important buffer pair, carbonic acid.  the more physical activity you engage in, the more co2 your body is producing.  you can see this by putting some of the cabbage indicator in a glass and then blowing bubbles into it through a straw.  can you see a change in the color of the indicator?