Describe the type of organisms that existed in the mesozoic era in the cenozoic era

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

In what way are cities microclimates?

Acommon kind of mechanical weathering is called