A) 17th century B) 15th century C) 21st century D) 19th century
A) Industrial Revolution B) French Revolution C) Scientific Revolution D) American Revolution
A) Oxygen B) Nitrogen C) Carbon dioxide D) Helium
A) Amazon rainforest B) Sahara desert C) Antarctica D) Arctic
A) Preventing greenhouse gas emissions B) Causing cooling of the Earth C) Releasing heat into the atmosphere D) Absorbing heat and carbon dioxide
A) Anthropocene B) Miocene C) Pleistocene D) Holocene
A) Methane B) Sulfur dioxide C) Nitrous oxide D) Carbon monoxide
A) Plate tectonics B) Solar radiation C) Human activities D) Volcanic eruptions |