Answer: Hypnotics
Explanation:
If someone has sleepless night for more than 3 days a week then it will be considered as insomnia. The concerned person can go the family doctor as these drugs are not sold without prescription.
Sleeping pills are common name given to these drugs which belongs to the class of psychoactive drugs. The function of these drugs is to induce sleep.
The drug is basically used to treat the medical condition of insomnia pr surgical anesthesia.
Answer: D. radiometric dating
Answer:
Its basically traces of an animal and not the actual animal. For example footprints.
Explanation:
C. Clouds
Explanation - The solar radiation is absorbed by the earth that keeps the atmosphere or the environment of the planet warm. Clouds do not absorb, rather reflects the solar radiation thereby keeping the earth's surface cool.
Thin clouds allows the transmission of the incoming solar radiation towards the earth. Sweater is not involved in maintaining the temperature of the earth. It just keeps our body warm by absorbing solar radiation. Mountains also absorbs solar radiation and helps the plants to grow and animals to live.
