Sinh vật mang Ký sinh trùng và không phát triển trong nó được gọi là

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

How does human environment effect the biosphere