There are natural and human causes of climate change. Which one is NOT a human cause ( ).
A: greenhouse gas
B: aerosol
C: urbanization
D: volcanic activity
A: greenhouse gas
B: aerosol
C: urbanization
D: volcanic activity
举一反三
- One way in which scientists study climate change is through ice core samples. What info does this tell us about the climate? A: Nothing, this is not a way to study climate change. B: greenhouse gas concentrations, atmospheric conditions and trends in atmospheric temperature C: rate of solidification of greenhouse gases in the atmosphere D: impact of changing sea levels on the climate E: frequency of thermal inversions in the atmosphere
- How does the rising concentration of greenhouse gases cause the change in climate?
- What is the teacher's opinion about fighting climate change? A: Companies should take all of the responsbility for fighting climate change. B: Every company should work together to fight climate change. C: Poor peopleshould all take responsbility for fighting climate change. D: Every human, company, country and government must work together to fight climate change.
- It is generally believed that climate change is caused by human activities .
- relating to the natural world and the effect that human activity has on it: ______