1. the ethanol on the thermometer rises when bushra put her finger on the bulb. this movement is caused by the ethanol expanding.

why does ethanol expand?

a. particles move from the fingers into the ethanol.
b. electricity moves between fingers and the ethanol.
c. bushra' s fingers apply pressure to the bulb of the thermometer.

choose the correct option.

What are the variables in gay-lussac’s law? pressure and volume pressure, temperature, and volume pressure and temperature volume, temperature, and moles of gas

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?

One similarity and one difference between an element and a mixture of elements