How can a redox reaction be used as a source of electrical energy?

A. Two half-reactions must be physically separated.

B. Two half-reactions must involve more than one electron.

C. One half-reaction must use a metal wire electrode.

D. One half-reaction must involve two metals.

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

Asolid that forms and separates from a liquid mixture is called

How does blood clotting prevent the entry of pathogens through cuts and wounds? answer asap,, this is due tomorrow. will mark as brainliest or whatever you call it : )