Answer:
Marking Ten (10) Errors of Capitalization, Punctuation, Spelling, and Grammar in the paragraph:
1. off... in launch off instead of ...in launch of ...
2. A comma instead of a full-stop after 1957.
3. Omission of a comma after ...Union (That satellite, launched by the Soviet Union, was named Sputnik I).
4. science should be in the plural form "sciences."
5. The use of lower case of 'a' in America.
6. emphasis and not emphesis.
7. Non-capitalization of soviets', launch, and site. Should have read: "...the Soviet's Tyuratam Launch Site.
8. "mark" should be in the past tense (marked).
9. "Exploration" instead of exploration (with 'e' capitalized).
10. The apostrophe after soviets' should be before 's' as in "Soviet's."
Step-by-step explanation:
The above corrections were made to put the sentences in their correct grammatical expressions.