PLEASE HELP ASAP I HAVE 10 minutes i’ll give that brain thing if you give a correct answer tysm:):

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

Which enzymes break down carbohydrates?

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots