Im on a timed
what is thermal pollution?

heat used to warm up an area.

a bi-product of light energy

a form of energy

heat lost to the air and water causing environmental changes

Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

Why do oxygen have a strong attractive force for electrons