Answer:
Specific heat capacity is the property of water that makes it useful in car radiators.
Explanation:
Water has a high specific heat capacity. So it is used as a coolant in car radiators and helps maintain temperature of car engines.
The study pushes back the clock on the origin of Earth's water by hundreds of millions of years, to around 4.6 billion years ago, when all the worlds of the inner solar system were still forming. Scientists had suspected that our planet formed dry, with high-energy impacts creating a molten surface on the infant Earth.
Answer: 4.6 billion years.
Harmful, because there would not be enough resources