Gió đất có cường độ mạnh nhất vào khoảng
Đáp án đúng là: D. lúc gần sáng.
Giải thích:
Gió đất hình thành do sự khác biệt về nhiệt độ giữa đất liền và biển. Vào ban đêm, đất liền nguội nhanh hơn biển, tạo ra sự chênh lệch áp suất khiến gió thổi từ đất ra biển. Cường độ gió mạnh nhất thường vào lúc gần sáng khi sự chênh lệch nhiệt độ là lớn nhất.
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