What three regions receive a lot of volcanic activity?

Plz plz plz quick! 49 points for whoever which of the following statements about greenhouse effect is true? *life on earth is suffering because of greenhouse effect *the greenhouse effect is caused by human activity *all greenhouse gases are harmful *life on earth would not exist without the greenhouse effect

Construct at least two possible hypotheses for the student’s experiment.

Describe the impact of deforestation of both abiotic and biotic factors within the tropical rainforest.