Which of the following has the most significant impact on the environment?

Natural Disasters

Humans ***

Ecosystems

Carbon Dioxide

Which step of the scientific method applies to the following scenario? Rick wants to know if rising carbon dioxide levels in the atmosphere have an impact on global temperature.

Define a problem

Observe the problem

Make a hypothesis ***

Make a prediction

Test the hypothesis

Summarize and make a conclusion

1 answer

agree on both