Salt is separated by adding heat to the boiling point. (To separate salt and water)
Answer:
Above 70%
Explanation:
About 70% ( approximately 3/4 ) of the surface of the earth is covered with water. We can find water inside the earth in lakes, rivers, water vapor, etc. But only, about 3% of freshwater can be found on earth. Of that, only, about 0.01% can be used to drink. So, it is clear to us that, how important it is to protect water resources without polluting them.
Answer:
The answer is A.
Explanation:
Change in DNA sequence leads to genetic mutation.
Answer:
Sound is a sequence of waves of pressure which propagates through compressible media such as air or water. (Sound can propagate through solids as well, but there are additional modes of propagation). ... Independent of the motion of sound through the medium, if the medium is moving, the sound is further transported.
please mark as branliest
Answer:
B.
artificial selection
Explanation:
Artificial selection is often utilized in crop and animal farming to obtain favorable traits in organisms. Organisms with desirable traits are selected and crossed with each other. Since the selection is done by humans and not by natural processes, it is called artificial selection.
In the given case, the farmers select corn plants with large ears. The selected plants are crossed with each other so that the next generation has the maximum chances of producing large ears. Hence, artificial selection is used here.