Which best describes the atmosphere of the early Earth? A.
Little or no oxygen, mostly carbon dioxide, water vapor, and nitrogen
B.
Little or no carbon dioxide, mostly oxygen, water vapor, and nitrogen
C.
Little or no water vapor, mostly oxygen and carbon dioxide, with some nitrogen
Large amounts of hydrogen cyanide with low amounts of carbon dioxide and oxygen
D.

Some technological solutions to problems like global warming meet the specific needs and situations of local communities. an example from india involves converting the solid waste from cattle into clean-burning fuel for cooking. this reduces the amount of greenhouse gases, specifically methane and carbon dioxide, released into the environment from wood fires. when evaluating the feasibility of implementing this solution, computer models are used to weigh costs against benefits. what factor is least likely to impact the decision on adopting this technology?

Which of the following is the most likely outcome of global warming

What goes in and out of a cell respiration?