How much current is in a circuit that includes a 9.0-volt battery and a bulb with a resistance of 4.0 ohms?
A
0.44 amps
0
B.
36 amps
0
2.3 amps
0
D. 13 amps
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Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.

What are transitions between a liquid and gas called? identify which way they are transitioning

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?