Answer:
4 km/h
Explanation:
Average speed = Distance / time
Distance = 2 km
Time = 30 minutes = 0.5 hours [For units to match]
Average speed
= 2 / 0.5
= 2 x 2
= 4 km/h
<span>"To increase the production of milk in a herd of milk cows, the highest producing cows were chosen as the mothers." is selective breeding because they selectively chose which cows to breed.
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The answer would be fog. The fog consist of a visible water droplets that have been suspended in the air near the surface of the Earth. It can be known as a low lying cloud and being influence by the bodies of water and win conditions.
It is not. Habitable does not mean to humans but in general to life forms. It just means that <span>the range of orbits around a star within which a
planetary surface can support liquid water given sufficient atmospheric
pressure and that some form of organic life could develop, but this does mean that humans could live in them. They should definitely spend more time looking at them because the processes in those planets might be harmful to humans so humans shouldn't just try to visit them before understanding them.</span>