Explanation:
Thousands of years ago Mesopotamia's weather was semi-arid, with hot summers and sporadic rain. However, the presence of two rivers, the Tigris and the Euphrates, made it humid, fertile and ideal for nomads to start settlements. ... More tribes made the region home and gave birth to one of the world's first settlements.
Dear (teacher),
I wanted to wish you a happy teachers day. I have had an incredible time in your class and I just wanted to let you know that you are an amazing teacher. You have made me feel loved and excepted, and you have helped me find a love for (insert subject they teach). I could only hope to ever have a teacher as good as you again. I hope that you have a spectacular day, today.
Sincerely,
(Your name)
The answer is that "since they do not interact with the electromagnetic force, they do not feel friction or drag and hence do not contract with the rest of the protogalactic cloud." WIMPs (Weakly-Interacting Massive Particles) are hypothetically constituted to dark matter. It is in their nature to be less interactive, so they are scattered throughout galactic halos and not focused into the galaxy's disk.
Answer
16
or 50.24 units
Explanation:

and r is the radius, since we know what the radius is (<em>r </em>) we can put this in to an expression
· 4² = 16 units
If the answer is not 16 then its 50.24 units
Explanation:
Now 16 is the correct answer but just in case I took this a step further.
If we estimate the area by using 3.14 which is (
) because sometimes that isn't natural to express the area using
I hope I helped you : )