Radio waves from smartphones may be carcinogenic - Mobile phones and their towers generate radio waves. Several studies have suggested that though low frequency radio waves aren’t harmful to humans, but over exposure to them may lead to tumours in the body.
Smartphones cause anxiety, increased stress - Cancer aside, smartphones cause a variety of health issues. They have been found to increase anxiety and mental stress in teens. Mobile radiations may also cause learning disabilities and lowered IQ in infants, according to some reports.
Answer:
EAR (Estimated Average Requirement) is the standard used to estimate daily nutrient needs of half of all healthy individuals.
Explanation:
Estimated Average Requirement (EAR) is basically the daily intake value of a nutrient that is estimated to meet the nutrient requirement of half the individuals which are healthy in a gender group and a life stage.
It is the level of intake for a nutrient at which the needs of 50% of the population will be met. Because the needs of the remaining population will not be met by this amount. It is basically derived from a group estimate.
Pulmonary veins are responsible for carrying oxygenated blood from the lungs back to the left atrium of the heart.
The answer is A. In General, people accomplish less when practicing good human relations
That statement is simply wrong. Human is a Social animal. We are not made to live in this world alone. That's why we have to practice good human relation.
People tend to accomplish MORE if we practice good human relations ( building connection, have a good customer service, Have a better social circle, etc)