Question

original sentence: oxygen was discovered in 1772 by the swedish chemist, carl scheele, but he withheld the information until 2 years later when joseph priestly made the same discovery. choose the correctly edited sentence. oxygen was discovered in 1772 by the swedish chemist carl scheele, but he withheld the information until two years later when joseph priestly made the same discovery. oxygen was discovered in 1772 by the swedish chemist, carl scheele, but he withheld the information until 2 years later when joseph priestly made the same discovery. oxygen was discovered in 1772 by the swedish chemist carl scheele, but he withheld the information until two years later when joseph priestly made the same discovery.

Explanation:

The original sentence has a clear - cut sequence of events. Oxygen was discovered by Carl Scheele in 1772, and Joseph Priestly made the same discovery 2 years later. Scheele withheld the information until Priestly's discovery. The correct sentence should maintain this logical order.

Answer:

Oxygen was discovered in 1772 by the Swedish chemist, Carl Scheele, but he withheld the information until 2 years later when Joseph Priestly made the same discovery.