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Q5: Environmentalism is _.<br>A)the study of ecosystems<br>B)a philosophical
Q25: Select the feature which is not directly
Q32: The speed of transportation and communication increased
Q34: According to the "rule of 70," if
Q39: What do grasses,rose bushes,and cactus all have
Q46: What is the pattern of the three-stage
Q56: Which of the following is NOT TRUE
Q66: Which of the following was the largest
Q85: When the cost of shipping raw materials
Q108: Which of the following is a social