Answer: protons
Explanation:
Changing the number of protons would change it into an atom of a different element.
The majority of the accessible drinking water on our planet comes from glaciers.
The answer of your question is cell that contain a nucleus
a. 2 > The 23rd pair, the sex chromosomes, differ between males and females (females have two copies of the X chromosome, while males have one X and one Y chromosome). In humans, the sex chromosomes comprise one pair of the total of 23 pairs of chromosomes. The other 22 pairs of chromosomes are called autosomes. <em>Chromosomes are thread-like molecules that carry hereditary information (they are made of protein and one molecule of DNA, which contains an organism's genetic instructions).</em>
Answer:
77.5 years
Explanation:
Preliminary data indicates that life expectancy at birth in the United States had reached a record high in 2003.