Answer:
B. The rating number means it will protect you that many times longer than without sunscreen
Explanation:
The sun protection factor is a comparison between the length of time it will take for a skin that has no sunscreen to begin reddening compared to a skin with sunscreen applied. Therefore, the ratings is an indication of the length of time a person will be protected from ultraviolet rays than when the individual has no sunscreen applied.
While higher SPF's are believed to offer more protection against UV rays, the added protection is usually just a negligible amount. They are very important for the skin and protect the body against diseases like cancer.
Answer:
C. Fitness
Explanation:
Fitness refers to the physical condition of living organisms. If the organisms are fit so it can survive in that environment and increases their population by the process of reproduction but if the organisms are unfit in that environment so they remain less in numbers and with the passage of time, they are fully eliminated from that environment. So fitness is very important for the survival of an organism.
The correct answer is letter B. The microphone is the part of the telephone the converts sound waves into electrical signals that can be sent through the phone line and then towards the receiver on the other side. The telephone is one of the most important inventions made by man as it allowed communication to speed up through time.
Small intestine is the answer. hope this helped