A tundra is a vast, flat, treeless Arctic region of Europe, Asia, and North America in which the subsoil is permanently frozen. Grass lands are a<span> large open area of country covered with grass (like the name suggests).</span>
Absolute dating is a process that determines the age of something in geology, chronology, and geology.
Either A. or D. it depends on what kind of insulation you're looking for.
Since we've been using petroleum in vast amounts organizations such as OPEC have appeared which restricts the U.S which ensued our country into suing; if this lawsuit passes then we will possibly be taking more petroleum than ever before due to it's demand such as it's needed for machinery and vehicles and etc. Most petroleum are from middle eastern countries, so our dependency will run rampant which will make us adhere to any of their policies pertaining to this fossil fuel in the near future.
Answer:
Renewable energy is over 90% of the energy use in the united states
