<span>The correct answer is A. Air hose. That's because the air hose is elastic on its own and becomes firm when air goes through it. If you were carrying it by the hose, then if the gear malfunctioned and air started rushing through you wouldn't be able to control the device and it could hurt you or anyone near you as it would go rampant and you wouldn't be able to catch it.</span>
Answer:
When calculating the number of CEUs for a course, the number of contact minutes must be totaled and divided by 60 to arrive at the number of contact hours, see figure 1. Total contact hours must then be divided by 10 to obtain the number of CEUs.
Explanation:
yup
Carelessly , have a great day
Answer:
Your nails can help determine the oxygen supply throughout your body because it has an affect on your life. Blue fingernails are caused by a low level or lack of oxygen circulating in your red blood cells. This condition is known as Cyanosis.
Explanation:
This means that there is not enough oxygen in your blood
2,3,4, are right 1 is incorrect as far as I can tell
