Answer choice C. Reduction has its electrons as a reactant.
Answer:
1.
Explanation:
1. They are made up of two or more Pure substances that are not chemically bonded together and appear non-uniform
A heterogeneous mixture is not chemically combined and its components are visible and can be seen.
Answer:
More than 40 percent measured above 5 ppb of lead, which the researchers considered an indication of a “very serious” problem.
Sunlight is collected from a renewable resource, which is naturally replenished one a human timescale
