Answer:
4 is a
5 is b
Explanation:
a primary source is someone who was there at the time but a secondary source is someone who wasn't.
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Answer:
c. It provided funds to the states to help them purchase new electronic voting equipment.
Explanation:
A federal law of the United States named Help America Vote Act was signed by President George Bush on 29 October 2009. The law came in response to the mal-functioning of the ballots. States need to draft a plan and submit to federal agency, mentioning how the money would be used replacing machinery and registration of voters.
C: circular.
The Hubble sequence is a form of classification of galaxies invented by Hubble in 1926. The sequence divides galaxies into three main categories: lenticular, elliptical and spiral. There is a fourth category that is called irregular, where there are the galaxies that do not fit the characteristics to be included in the three previous categories.
This categorization is the most used even today by both amateurs and astronomers.