Answer: comparing the amount of decayed and undecayed isotopes
Explanation:
Answer:
gases I think.
Explanation:
If I'm correct may I please have Brainliest?
Renewable energy sources include hydropower<span>, wood biomass (used to generate heat and electricity), alternative biomass fuels (such as ethanol and </span>biodiesel<span>), waste, </span>geothermal<span>, wind, and </span>solar<span>.</span>
The microbe 'Virus' causes HIV.