Water has a high heat capacity as a result of the strong propensity for the intermolecular force known as hydrogen bonding. as a result of this property, large bodies of water can absorb and release huge amounts of energy with little fluctuation in temperature, contributing to their ability to moderate climate temperatures. how does heat capacity contribute to regulating global temperatures?

Heat capacity is generally referred to as the ratio between amount of heat added to any material with the resultant changes in temperature of material.

Explanation:

As mentioned in the question, water has high heat capacity due to strong propensity for the inter-molecular force known as hydrogen bonding.

To answer the question that how, heat capacity contribute to regulating global temperatures, we need to understand a fact first. The heat capacity of water can affect the climate of earth since due to heat capacity of water, the temperature of seas, oceans and other water bodies is relatively resistant to  temperature fluctuations.

Example 1:

Just take a very simple example, that a fish is happy with the heat capacity of water because specific heat capacity in water will help the temperature of water to stay relatively constant and fish don't needs to regulate her body temperature a great deal.

Example 2:

Take this example to higher scale on whole globe, All the temperature changes that happen in earth are due to temperature fluctuations that happen in oceans and seas. Now, specific heat helps the oceans to keep temperature relatively constant due to which oceans are less easily heatup, and less evaporation occurs. If seas will be heated more, more water will be evaporated and more carbon di oxide will be produced which ultimately cause the temperature of globe to rise exponentially because CO2 will be hold by   electromagnetic radiation.

Example 3:

Similarly, heat capacity can also regulate the temperature of cities. For example, water in premises of lakes of cities take more time to heat up and more time to cool down as well, as compared to the  land areas.

So what happens due to this is, so cities near the oceans face less fluctuations in temperature than cities far from the lakes. This is how,heat capacity contribute to regulating global temperatures.

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"1. it should be, it has been for about 20 years, and it's really not much different in the end than breeding animals to have particular traits. there are always concerns about genetically engineered animals/plants affecting the environment in unexpected negative ways, but i can't think of an example where the fears didn't turn out to be baseless.  

first, as you point out, it would be a great advance in pharmacology, to be able to tailor drugs and their doses to me. the pros involve better medical treatment. the cons involve privacy issues like insurance companies denying coverage to people with genetic risk factors. looking at dna markers wouldn't affect the frequency of genetic diseases, but it would allow detection of them earlier. and ok, actually i suppose that if people used this information to avoid having children with genetic diseases, some might decrease in frequency."

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