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.
1 Just boil water and pour it on your weeds, but do NOT pour it on your plants because it will kill them too. 2  In fact, it will kill anything you pour it on, including the beneficial creatures, so use with caution. 3  Vinegar â this works best on young plants because it will not kill the roots of well-established plants.f you already have weeds you can use one of these three things to kill them: 1  Boiling water â this is more effective than many expensive chemical herbicides. 2  Just boil water and pour it on your weeds, but do NOT pour it on your plants because it will kill them too.