Define energy efficiency in your own words

Match each organ or function with its body system. produces urine large intestine ureters mouth filters blood absorbs nutrients from food

Identify the main component f natural gas

Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation