Which statement correctly describes one of Aryabhata’s contributions to the sciences? He discovered how eclipses work.
He created vaccines to prevent diseases.
He created new surgical procedures.
He discovered new chemical reactions.

Why did john browns raid impact the national issue of slavery?

Before leaving their ship anchored in cape cod bay, the pilgrims agreed to the terms established by which of the following: a) the fundamental orders of connecticut b) the declaration of independence c) the mayflower compact d) the constitution

What was the significant advancement of the caravel? a. it could sail with the wind c. it could sail against the wind b. it could sail at night d. it was motorized