Outflow is the answer assuming that the underlined word is influx.
He could not find a hint; He could not find a sign; He could not find a trail; He could not find a clue.
1. Safe
2. Dangerous
3. Not sure
4. Not sure
Pure substances- Chemical substance a form of matter having constant chemical composition and characteristic. Mixtures- A material made up of two or more different substances that are not chemically combined
Answer:
true
Explanation: thinking is required for reading
