The composition of a star can be identified by

A. its apparent magnitude

B. the size of the star.

C. the lines in its spectrum.

D. the intensity of its radiation.

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During exercise how are the circulatory and respiratory system working together

Excretion is best described as the removal of 1 metabolic wastes from a cell 2. toxic wastes by the process of cyclosis w water molecules from dipeptide hydrolysis undigested material from the digestive tract

What genes are mutated in breast cancer

According to Newton's Second Law, an object that is slowing down is doing so because

What are the pros and cons of evolution?

Yeast cells produce carbon dioxide and alcohol as a result of

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Select all that apply. Q1: Neptune- has a longer revolution period than Uranus has a longer revolution period than Pluto is made of mostly hydrogen and helium has a blueish color because of methane in the atmosphere was predicted by abnormalities in

If there are 250 hba alleles in a population of 500 people, what is the frequency of the hba allele in that group?