Cosmology is the study of the grand scale of the universe. You need astronomical observation because then there would be no proof to cosmological theory.
Answer:
1 957,5
Explanation:
87libs=39.5kg that equals 50=1.957.5
If your client receives a letter from SilverScript requesting proof of Creditable Coverage, they can ignore the letter is a false statement
<h3>What is Creditable coverage?</h3>
Creditable coverage is known to be a form of an health insurance, that consist of prescription drug and also other kinds of health benefit plan that is known to meets the minimum amount of qualifications.
Note that the types of creditable coverage plans are group and individual health plans, student health plans, and others.
It is not right to ignore any letter sent to you concerning the case above as it may be vital and as such, the statement of If your client receives a letter from SilverScript requesting proof of Creditable Coverage, and the client has already submitted proof of creditable coverage with the enrollment application, they can ignore the letter is a wrong/false statement.
Learn more about Creditable Coverage from
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According to Arrhenius definition of acids, 
is an acid.
According to Arrhenius definition of acids and bases, acid is any substance that produces hydrogen ion in solution as its only positive ion.
Following this definition, let us now consider what happens when is introduced into a water;
(aq)-------> NH3(aq) + 
(aq)
Hence, according to Arrhenius definition of acids, is an acid.
For another example of Arrhenius acids, see
brainly.com/question/516295
Density = mass / volume. So you'd write it out as D = 56g / 60.9cm^3, giving you 0.9195 g/cm^3.
