What happens if proteins are altered by mutation?

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

Select all the true statements about the cosmic microwave background radiation

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.