The vocal cords vibrate when air passes over them. This produces the sound of your voice.
Answer:
a.

And you can round 33.(3) to 33.
b.

and the final result is 25.
c.

And you can round 14.29 to 14.
Explanation:
First of all, you have to find how many times the growth rate would multiply to get closer to 100%. So if you multiply 3 times 33 you'll get 99. So, a population with an annual growth rate of 3% doubles roughly every 33 years.
This solution is just for annual growth rate that is one year long.
The answer is letter a) bacteria
The answer is pulmonary
artery. This is an artery in the circulation that holds the deoxygenated blood from the heart to the lungs<span>. The biggest
pulmonary artery is the pulmonary trunk from the heart and the smallest are
found next to the pulmonary alveoli<span>.</span></span>
Carbon would be the answer to this because it is an element while water is a compound. In addition, carbon had 4 bonding sites which allows it to form a variety of molecules like sugars, proteins, and even DNA that are essential for life as we know it.