Water molecules are polar, having partially positive and partially negative ends.
No, astronomy is the study of space
Answer:
they are transmitted by one person to another, like kissing, coughing, sneezing, or any physical contact from the infected person to someone who's not.
Answer:
If the water is initially hot, cooled water at the bottom is denser than the hot water at the top, so no convection will occur and the bottom part will start freezing while the top is still warm. This effect, combined with the evaporation effect, may make hot water freeze faster than cold water in some cases.
Explanation:
Answer:
Nonrenewable energy resources, like coal, nuclear, oil, and natural gas, are available in limited supplies. This is usually due to the long time it takes for them to be replenished. Renewable resources are replenished naturally and over relatively short periods of time.
