Which of the following natural gasses is most common in gas hydrates from under the ocean floor?
A) Carbon dioxide
B) Ethane
C) Hydrogen sulfide
D) Methane
E) Propane
D
You might also like to view...
Which of the following are affected by the loss of ozone?
A) crop yields B) phytoplankton populations C) immune systems D) eye tissues E) crop yields, phytoplankton populations, immune systems, and eye tissues
Which month will India most likely experience the greatest cumulative rainfall?
A) December B) May C) March D) October E) July
The average summer temperatures in the Southern Hemisphere are cooler than the average summer temperatures in the Northern Hemisphere because ____
A) Earth is closer to the sun in January B) Earth is farther from the sun in July C) over 80% of the Southern Hemisphere is covered with water D) the sun's energy is less intense in the Southern Hemisphere
The isotopic record have peaks and troughs with a wavelength of all of the following except
A) 12,000 years. B) 23,000 years. C) 41,000 years. D) 100,000 years.