Answer:
A. 2 seconds
Explanation:
During dry weather conditions you should have at least 2 seconds of space between you and the vehicle behind you.
Of course, being further away than 3 seconds isn’t only acceptable, it’s recommended.
When visibility is low for example during fog, rain or nighttime driving, you should double the following distance to a minimum of 4 seconds.
No cpr can not revive a injured person
<span>TRUE! Regular aerobic exercise increases the strength of the heart to pump blood, improves capillary density in muscles and organs and increase the pliability of the blood vessels to move blood. All of this combines to improve VO2 max or the maximal amount of oxygen the body can use during exercise.</span>
The bronchus in the lungs are lined with hair-like projections called cilia that move microbes and debris up and out of the airways. Scattered throughout the cilia are goblet cells that secrete mucus which helps protect the lining of the bronchus and trap micron organisms.
The purpose of mucus is to lubricate and protect the organs that it lines. Mucus is supposed to be thin,clear<span>, and watery. Cloudy, yellow, or green mucus are signs of an infection.</span>
