A student conducts an experiment to determine how the amount of water given to a plant affects its growth. What is the independent variable for this experiment?
A) the amount of water
B) the height of the plant
C) the amount of sunlight
D) the amount of soil
Please select the best answer from the choices provided
A
B
С
D

Firms use marginal analysis to determine prices by a) changing prices in accordance with information from retailers. b) using comparisons with strong competitors to position prices accordingly. c) examining the effect on revenue of small changes to the price of one item. d) trying to minimize production costs by using better and more efficient methods.

What are the countries in south asia?

Which tip applies to the aspire test and psat equally