My question is that if darren had 6 cough drops and ate 12 how much would be left

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

What are the headings of a data table

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment