What happens when water is exposed to air and contains CO2 ? A. Acidity increases

B. Acidity remains the same

C. Water remains unchanged

B

Explanation:

Co2 isn't an acid

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error

i don't see a text, but i am gonna assume this *orbit* the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.