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.
Vinegar is an effective herbicide, and a 5 percent vinegar spray will kill weeds. But, according to experts at the Lady Bird Johnson Wildflower Center, vinegar is a poor choice to control weeds since it takes out not just weeds but every plant with which it comes in contact.