In one paragraph describe all the structures in trees involved in the process in photosynthesis

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

Could someone me with number one you

case study case study case study case study case study case study case study case study case study case study case study