Answer: “Northerners and Southerners came to disagree sharply on the role of the federal government in capturing and returning these freedom seekers.”
Explanation:
It was first detected by Robert Wilson and Arno Penzias.
Answer:
i think the mistake is olone i think it is supose to be alone
Explanation:
Of course it's possible, because it means that sintheta=-2/5 which satisfies this -1<=sintheta<=1
