Dogs can regulate their body temperature by the time they are 7 weeks old.
Dogs have remarkable internal mechanisms that maintain their body at the proper temperature at all times, irrespective of the air temperature because they are unable to endure large changes in their body temperatures.
Dogs do not perspire through the skin as people do due to their insulating coats.
A comfortable winter temperature for most dogs is between 68 and 72 degrees. The same considerations mentioned above for selecting a safe, comfortable summer temperature setting apply to selecting a winter thermostat setting.
Learn more about a dog's body temperature at
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Answer:
The smallest planet is Mercury
Explanation:
The correct answer is C. She added water that was hypotonic to the culture of organisms, and they ruptured.
Explanation:
In biology, a hypotonic solution is a substance with less concentration than the inner concentration in cells, this is the opposite of a hypertonic solution that has a higher concentration. Additionally, if cells are in hypotonic solution water or liquid will begin to get into them and this would make cells burst and finally explode and die due to the pressure in them.
This occurred in the case presented as it is likely the organisms collected from the ocean had a high concentration and therefore hen they were exposed to clean water in which concentration was lower, water entered into the cells and made them explode, which explains the only remains of them were bit and pieces.
The best answer is (1)
Fossil fuels are commercially available as an energy source.
They are very easy to find. More and more extractions of fossil fuels is going on everyday. With advancement in science and technology, the refineries and extraction procedures have improved a lot. This makes their availability even better.
Fossil fuels are also easily combustible. Most combustion engines need to be powered with little amount of fuel to produce large amount of energy. Very large amounts of electricity can be generated from fossil fuels.
