What are the benefits and costs of mining lower grade ores?

Ascientist observes hot water erupting from a vent in the earth. what most likely caused the water to rise and erupt from the vent? the vent was lower than the water table. a well was drilled into a pressurized aquifer. a well with a mechanical pump was installed. the water was heated by magma or hot rocks.

Which of these is most likely a characteristic of a non-radioactive daughter isotope after it is form from the parent isotope a . stable electron’s b. stable nucleus c. positively charged atom d. negatively charged atom

Which is a mathematical statement consisting of a hypothesis and conclusion that has to be proven true? definition