b. about 85% of the bodyâs phosphorus is located in bones and teeth. c. the phosphoric acid in cola drinks has little effect on bone content. d. the ratio of phosphorus to calcium in the diet is important for bone maintenance.
Grass that grows in undesirable locations, such as between the cracks of a sidewalk, can be killed with chemicals called non-selective herbicides. Every herbicide, even ones with the same active ingredient, can have different strengths. Therefore, purchase herbicides in a ready-to-use container for easy use.
Kill weeds using salt. Jupiterimages/Pixland/Getty Images. You can effectively use salt, or a saltwater solution, to kill weeds around your house. This is because salt prevents weeds (and plants) from absorbing water, causing them to dry up and die.