A leaf fell from a tree branch. The oath it followed is shown in the diagram below. Which of these best describes why the leaf f
ell in a crooked path instead of straight down? A-the upward force of the air in the leaf was greater than the downward force of gravity.
B-objects with irregular shapes never fall in straight lines.
C-air currents and gravity applied changing and unbalanced forces to the leaf.
D-once the leaf was in motion, it continued moving in the same direction because the forces were balanced.
In any balanced
chemical reaction, the elements or compounds which are located in the left hand
side of the arrow is the reactants while those that are location on the right
hand side are the products, therefore the product here is:
The answer is B! Chromatography involves solvent separation on a solid medium. Distillation takes advantage of differences in boiling points. Evaporation removes a liquid from a solution to leave a solid material