Multiple-choice question: The southern lights are known as the:

Multiple-choice question: Ozone (O3) is beneficial within which layer of Earth’s atmosphere?

Fill-in-the-blank question: Which greenhouse gas (GHG), although far less abundant than carbon dioxide, is approximately 20 times more potent than carbon dioxide?  It is the product of bacterial decomposition of organic matter.

Fill-in-the-blank question: Which atmospheric gas comprises only 0.036 percent of the atmosphere, but is the most abundant greenhouse gas and is essential for plant respiration and photosynthesis?

Short essay question: Prof. Diaz will grade this question: List three benefits that Earth’s atmosphere provides to the biosphere (supporting life on the surface of Earth).  There are more than three correct answers to this question.  Please provide three answers in your own words, writing one brief sentence for each answer (e.g. “The first benefit to the biosphere is… The second benefit to the biosphere is… The third benefit to the biosphere is…”).

True-or-false question: A major source of the greenhouse gas answer to the question above is termites.  Because termites are one of the only animals that can digest the cellulose within wood, they produce prodigious amounts of the greenhouse gas in the question above.

Choose the “right” answer

7-35{“version”:”1.1″,”math”:”7-35″} as a simplified fraction is

Bending load is applied to the tibia in this picture. What type of stress will be experienced by the tissue in the area indicated by the red arrow? 

Please provide the name of the instrument shown below: