It is determined by the,
size of Image / size of object
Answer:
less energy is consumed in typical use of this product than average
Explanation:
energy star tells you this as higher power consumption can cause difficulty
Answer:
Bifocal lenses are used for people who are both nearsighted and farsighted. It is common for people who are over the age of 40 to begin to notice a change in their vision and require the need for bifocals. As we age, our eyes begin to have trouble focusing on objects at different distances away.
Explanation:
Solar flares are very dangerous to living organisms they produce it produces high energy particles but we are protected by Earth's magnetic field and atmosphere because of its can sometime disturb radio waves because it effects the ionosphere but the flare is stopped by the atmosphere.
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.
