Question:An anemometer is used to measure what?
เลือกคำตอบเดียว
a. Air Temperature
b. pressure
c. Wind speed
d. Water vapor content
Question 18
คะแนน: 1
Question:What can we do to save the earth, except?
เลือกคำตอบเดียว
a. Use recycled products
b. Use public transport
c. Throw a lot of trash into a river
d. Use bicycle
Question 19
คะแนน: 1
Question:The first layer above the surface and contains half of Earth's atmosphere. Weather occurs in this layer. Which is the layers of the Earth's atmosphere?
เลือกคำตอบเดียว
a. Troposphere
b. Stratosphere
c. Thermosphere
d. Mesosphere