Some important applications of sodium chloride - seasoning for foods
- preservative for foods
- preparation of sodium, chlorine, sodium hydroxide, hydrogen
- roads deicing
- soaps fabrication
- salts baths
- isotonic solutions - sodium is indispensable for life
etc.Today is considered that a daily intake greater than 2,5-5 g salt can be danderous for the heart.
it can be helpful or harmful
If you need help I recommend you type in the specific question you need help with
sometimes they are helpful and harmful.
Bacteria can be both harmful and helpful
Sandpaper is both helpful and harmful.
they are helpful not harmful to plants
harmful
Depends on what part of "harmful" or "helpful" you are referring to.
helpful
Helpful
helpful
Harmful bacteria will harm you. Helpful bacteria will help you.