What were bulldozers used for in the Neuse River? A. cleaning up the sediment at the bottom of the river B. excavating holes to bury the dead fish C. scooping up the vast number of dead fi
Giải thích
Lời giải:
4. Thông tin: During a 1991 fish kill, which was blamed on Pfiesteria on North Carolina’s Neuse River, nearly one billion fish died and bulldozers had to be brought in to clear the remains from the river.
Đáp án: C