Answer:B most of the theories he describes are based on characteristics of Mars’s surface.
Explanation:
The sum of neutrons would be 55. (: I hope this helps. because if you minus the mass number by the atomic number which is always equivalent to the number of protons, you get the amount of neutrons. The amount of protons and neutrons always add up to the mass number.
Answer:
<em>a simple but useful framework for analyzing your organization's strengths, weaknesses, opportunities, and threats.</em>
<em>hope this helps</em><em> </em><em><</em><em>3</em>
Out of the choices given, the thing that comes first in an online catalog entry is the author's last name. This is so any person can find the book easily and in alphabetical order. The correct answer is D.
