How much colder was Earth's average temperature in degrees F during the last Ice Age than it is now?

In what way does renewable energy differ form nonrenewable energy?

Which of the following best describes the circumstance under which countries block the importation of certain products into their country? a. importation blockade b.trade barrier c.trade inhibitor d. domestic protection act

Need this asap : ( which type of wetland is most likely found in warm, forested areas? bogs swamps salt marshes inland marshes