When a ink filler is dipped into a beaker of water and the bulb is pressed, air bubbles appear in the water . why. 1. Air in the atmosphere forms the bubbles
2. the air in the ink filler is released to form bubbles
3. the air in the water forms bubbles
4. the liquid rushes into the filler forming bubbles
5. None of these

Which of the following statements about c4 carbon fixation is not true? a c4 carbon fixation is an adaptation for plants exposed to high light intensityb. c4 carbon fixation occurs in more plants than c3 carbon fixation. c c4 carbon fixation is more common in areas of high temperatures than c3 carbon fixation. d. c4 carbon fixation occurs in the inner cells of a leaf rather than the entire leaf.

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased