They produce narrow-band high-frequency sound to help them navigate in water. These high-frequency sounds are used in echolocation. Echolocation is used to identify and locate prey and also avoid the predators. Marine mammals like whales and dolphin use echolocation in different manners.
I think it is A if not it is B
Answer:
Stan must inform all the concerned lab personnel about the condition of specimen
Explanation:
In general the temperature in refrigerators is maintained between 36 to 46 degree Fahrenheit. Since the temperature has crossed the maximum highest range, there are high chances that it might have disturbed the internal structure of the specimen. Therefore, the specimen is now available in a compromised form. However, a laboratory refrigerator’s temperature must be maintained at a constant temperature to ensure no bacterial infection and perseverance of volatile materials/chemicals.
Answer:
B. the energy production in the sun.
Explanation:
The sun ngenerates its energy by nuclear fusion of hydrogen nuclei into helium.