Answer: 1) Angular separation equals 0.0000031 degrees
2) Angular separation in arc -seconds equals 0.011156"
Explanation:
For 2 stars separated by a distance 'S' and at a distance 'D' from the earth the angular separation in radians is given

Applying values we get

Now we know that 'π' radians equals 180 degrees thus the above value in degrees shall be equal to

2)
The angular separation in arc- seconds is given by

Hello there!
Your question: All forms of rain, snow, or hail that fall to the earth from the atmosphere would collectively be called __________.
Your answer: All forms of rain, snow, or hail that fall to the earth from the atmosphere would collectively be called precipitation.
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Answer:
because otherwise there would not be such thing as seasons
Explanation:
A wild plant growing where it is not wanted and in competition with cultivated plants.