Which part of our body is affected by the use of alcohol?

Problem #2: Another brand of alcohol, brand Y is used as disinfectant in the hospital with a total volume of 200 ml. containing 75 mL ethyl alcohol. What is the percentage by volume of ethyl alcohol?

Which of the following statements about air is TRUE?
A. Air is not a source of resistance.
B. Air has mass, but not inertia.
C. Air is not affected by human movement.
D. None of these statements are true.

What would be the expected effect on plants if the atmospheric CO2 concentration was doubled?

A) All plants would experience increased rates of photosynthesis.

B) C3 plants would have faster growth; C4 plants would be minimally affected.

C) C4 plants would have faster growth; C3 plants would be minimally affected.

D) C3 plants would have faster growth; C4 plants would have slower growth.