Answer:
Nonmetal + Nonmetal —> covalent compound (usually)
Explanation:
Covalent compounds are formed when two nonmetals react with each other.
Surface runoff, its quite obvious in the picture
Answer:
It lead to diseases like lung cancer
Explanation:
1. Dry Ice (solid carbon dioxide)
2. Iodine
3. Arsenic
4. Naphthalene
Parents SHOULDN'T avoid sharing their own mistakes with children.