Can anyone help me with this question?

What major factors play a role in global warming? 1. human activity and normal climate conditions 2. natural factors and human activity 3. normal climate conditions and abnormal human activities 4. abnormal human activities and natural factors

When you imagine how you'll get from your house to the store, you are a. mental projection b. mental map c. piagetian projection d. cognitive load

Which of the following insects is a decomposer? a. mosquito. b. caterpillar. c. beetle. d. none of the above.