Why are Greenhouse gases important to life on Earth? A.
They are the gases plants need to grow.

B.
They keep meteors from hitting Earth by burning them up.

C.
They keep oxygen from escaping into outer space so living things can breathe.

D.
They trap in heat which keeps Earth at a temperature that is comfortable for most living things.

What is lincoln's purpose in writing this speech? question 1 options: to stress the difficulties of war to honor those who died in the war to call for an end to the war to call the country to join a new war

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

What are transitions between a liquid and a solid called? identify which way they are transitioning