Which of the followings affect an ecosystem as the whole?
A
vấn đề nào sau đây ảnh hưởng đến toàn bộ hệ sinh thái?
A. Ô nhiễm nước bề mặt
B. Sự ô nhiễm đất
C. Ô nhiễm nước ngầm
D. Ô nhiễm không khí
=> đáp án A
Thông tin: Changes in the water chemistry due to surface water contamination can affect all levels of an ecosystem.
Which of the followings is NOT an evidence of monitoring studying?
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Which of the followings is the flow of water from the ground to the surface?
According to the passage, to learn new information, low-achieving students do NOT______.
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