Muriatic acid is useful, for it clean our dirty surrounding such as toilet and sink.
Muriatic acid is harmful, for it harms our kids health.
3. Harmful
Dynamite is harmful for our surrounding and health, especially in the ocean.
4. Useful/ Harmful
Shampoos are useful, for it clean and makes our hair fragrant.
Shampoos are harmful, for it has various ingredients that are harmful for our body that can lead to serious health risks.
5. Useful/Harmful
When used properly, pesticides can protect our plants or home from damage. (useful)
But when not, plant injury may occur, pests may not be controlled, health may be impaired, and pesticides may contribute to soil, air, or water pollution. (harmful)
6. Useful/Harmful
Cough syrup is completely safe (and useful) when used as intended.
When you take too much intentionally or by accident, it causes a high, like some illicit drugs. (harmful)
