Question

Question 1

Which of the following explains how scientists know that current global warming is related to human activities?

Atmospheric carbon has increased much faster than in the past.
There were no greenhouse gases in the atmosphere in the past.
There was more methane in the atmosphere 6,000 years ago.
There is more water vapor in the atmosphere today than the past.
Question 2

Which of the following is not a future impact of global warming?

Sea level falling
Less freshwater
Human migration
Disrupted ecosystems

Answer 1

First answer it might be the first one I do not know if it is correct .Second answer The last one d

Step-by-step explanation:

Because if even one part of the ecosystem collapse the hole ecosystem will collapse in generation genius website there is a video about it go check it out