"From 10AM to 4PM are the most dangerous hours for exposure to the sun."
The first two don't make any sense. As for SPF, the FDA minimum is 15 but the recommended minimum is 30. 10AM-4PM are the peak sunlight hours, generally (unless you live in Antarctica of course).
Answer:
The residual volume is the amount of air remaining in the lungs after a forced expiration.
The volume of air exchanged during normal breathing is called the tidal volume.
After a normal inspiration, the amount of air that can then be inspired forcefully is called the inspiratory reserve volume .
If you subtract the residual volume from the total lung capacity, you get the vital capacity.
The vital capacity minus the expiratory reserve volume equals the inspiratory capacity.
The effects of obstructive diseases such as asthma or emphysema may be determined by measuring the forced expiratory volume .
Based on biology of living things, some of the physical changes associated with the aging process are:
- Loss of bone mass
- decreased muscle mass
- thinning of the heart
- stiffening of the arteries
- decreased lung capacity, etc.
<h3>What is aging?</h3>
Aging is a natural process that occurs in living organisms when they become older or as time passes.
During aging, certain physical changes that usually result in reduced abilities of normal body functions occur which are the observable features of aging. They include:
- Loss of bone mass
- decreased muscle mass
- thinning of the heart
- stiffening of the arteries
- decreased lung capacity, etc.
Therefore, some of the physical changes associated with the aging process are:
- Loss of bone mass
- decreased muscle mass
- thinning of the heart
- stiffening of the arteries
- decreased lung capacity, etc.
Learn more about aging at: brainly.com/question/21253492
The answer to number 9 is d
Answer:
According to the WHO, malnutrition is largely responsible for 35% of deaths among children under five in the world.
Explanation:
Food security exists when people have access to enough food to fulfill their needs, they have the money to buy it and they can choose them according to their preferences. When something here does not work, people experience food insecurity. There are many reasons for it, as the question mentions: was, environmental conditions, poverty, economy issues, among many others. In this scenario, malnutrition is one of the outputs. Malnutrition is not only responsible for deaths among children under five, it is also responsible for social and economic impacts.
