Which disease is caused by a living pathogen? a. common colds b. smallpox c. cholera d. influenza

Non renewable resources like petroleum eventually

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.