A significant source of methane, an important greenhouse gas, is livestock flatulence. Indicate whether the statement is true or false
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Environmental & Atmospheric Sciences
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The symmetry in worms represents the transition from simple to advanced organisms
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
________ is the probability of an event having a severe effect on organisms or the physical environment
A) Inevitability B) Disaster C) Risk D) Hazard
Environmental & Atmospheric Sciences
Sometimes large rocks break up in Earth’s atmosphere and fall as a(n) _______________, spread out around the main impact site
Fill in the blank with correct word.
Environmental & Atmospheric Sciences
The amount of lead released into the atmosphere
A. has increased with the increase in automobiles. B. is directly related to the amount of acid rain. C. has declined since the introduction of lead free gasoline. D. is greatest in rural areas.
Environmental & Atmospheric Sciences