Samantha wants to buy a property with a first mortgage of $395000 at 7.25% compounded semi annually not in advance and a second mortgage of

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 organelle releases chemicals that break down large food particles into smaller ones?

All living organisms are composed of a. only one cell. b. at least 100 cells. c. at least three cells. d. one or more cells.