Answer:
The stars mass (once it becomes a star) is inversely proportional to its lifetime as a main sequence star. A red dwarf can survive for many billions of years; a star that has twice the mass of the Sun, such as Sirius A, will have 25% of the Suns lifetime.
Hope this helps :)
Explanation:
Between 1931 and 1940 a ton of soil blew out of the central and southern great. It was a period of severe dust storms that greatly damaged the ecology and agriculture during the 1930s.
Answer: He was a German astronomer, mathematician, and astrologer.
I would say A) because it is known that the some if not most Europeans back then were greedy.
Answer:
Gabby should know this is happening coz of tides and during night the oceans face high tides and low during day.
She can use a mareograph, a tide gauge is a device for measuring the change in sea level relative to a vertical datum. This way she can study the sea patterns also.
hope it helps!
