Answer:
Eukaryota, Archaea, Bacteria
Explanation:
They are the largest taxonomic groups.
The first options answer is phloem while the second answer is roots
Ultraviolet sun rays it damages the cells and can cause skin cancer.
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.