Answer:
it's A! (I'm sorry but I don't feel like explaining why BTW lol)
This is any dive that you make before you have completely offgassed from any previous dive or dives. Residual Nitrogen Time (RNT) This is the amount of time you must consider as already having been spent at a given depth for a planned repetitive dive.
Answer:
1 Vaccine-preventable diseases have not gone away
The viruses and bacteria that cause illness and death still exist and can be passed on to those who are not protected by vaccines. While many diseases are not common in the US, global travel makes it easy for diseases to spread.
2 The Centers for Disease Control and Prevention (CDC) recommends vaccinations throughout your life to protect against many infections. When you skip vaccines, you leave yourself vulnerable to illnesses such as shingles, pneumococcal disease, flu, and HPV and hepatitis B, both leading causes of cancer.
3 Vaccines are as important to your overall health as diet and exercise
Like eating healthy foods, exercising, and getting regular check-ups, vaccines play a vital role in keeping you healthy. Vaccines are one of the most convenient and safest preventive care measures available.
Because of age, health conditions, or other factors, some people should not get certain vaccines or should wait before getting them.
Answer:
pre-
Explanation:
The prefix pre-, which means “before,” appears in numerous English vocabulary words, for example: predict, prevent, and prefix! An easy way to remember that the prefix pre- means “before” is through the word prevent, for when you come “before” something else to stop it from happening, you prevent it.
The answer to this question is d