Explain the events, chemical reactions, and interactions that culminate with the issuance of respiratory warnings in some sunny, warm cites.
What will be an ideal response?
Every morning, people on their way to work in their cars emit large amounts of NO and VOCs. The NO is quickly converted to NO2 in the atmosphere. When exposed to sunlight, the NO2 reacts with the VOCs to form ground-level ozone. This process tends to peak around noontime and then last into the afternoon and evening. Ozone attacks organic tissue when inhaled and causes irritation of the respiratory tract.
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Many strategies have been used to control leafy spurge, including the deliberate introduction of different species of flea beetles that feed on leafy spurge. Each flea beetle female may lay about 200 eggs in her only year of life
In places where flea beetle introductions have quickly established large populations that have grown and stabilized, a graph of the population growth of these beetles most likely would look like ________. A) an S-shaped curve B) an upside down U-curve C) a J-shaped curve D) a straight increasing line
What is ancestor veneration?
a. reincarnation ceremony for Buddhist people b. process where Hindu sons give their father's surname to their firstborn child c. practice of creating small shrines with photographs and other memorabilia of deceased relatives d. end-of-life ceremony for Daoists e. when the firstborn son officially becomes a member of their father's and mother's caste
How much are global surface temperature expected to increase by the year 2100 if humans follow a "business-as-usual" scenario?
A) 2°C B) 2.5°C C) 3°C D) 3.5°C E) 4°C
Glacial striations are
A. carved by rock fragments frozen into the ice. B. only found in till deposits. C. used to show the rate and direction of ice flow. D. All of the choices are correct.