5. Students in a science class want to design an investigation to determine if a fertilizer added to soil affects the height of a plant over time. Which items would the students need to complete this investigation? A. ruler, calculator, plant, soil samples with different amounts of fertilizer
B. microscope, beaker, plant, soil samples with the same amount of fertilizer
C. computer, stopwatch, plant, soil samples with different amounts of fertilizer
D. tape measure, graph paper, plant, soil samples with the same amount of fertilizer

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

Benito is doing research on the effects of florida's elevation on its climate. his notes include the following: 1. the average elevation of florida is 30 m above sea level. 2. the highest point in florida is britton hill, which is 105 m above sea level. 3. the change in temperature from 0 m to 1,000 m is 7 °c. what can benito conclude about the effects of florida's elevation on its climate? a.) florida typically experiences cold temperatures and temperature changes within a narrow range. b.) florida typically experiences cold temperatures and temperature changes within a broad range. c.) florida typically experiences warm temperatures and temperature changes within a narrow range. d.) florida typically experiences warm temperatures and temperature changes within a broad range.