Gold in California in the 19th century.
A. was discovered
B. has been discovered
C. was discover
D. they discovered
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Ответ:
Explanation:
"Was" is the correct past tense and the "ed" ending in "discovered" tells us it was discovered in the past
Ответ:
Ответ:
That a disease can be very contagious and risk life to die.
Explanation:
Also ,in the central it's not mainly described as it.