What are some reasons that environmentalists are concerned about the prospect of methane hydrate mining? What will be an ideal response?
The prospect of widespread methane hydrate mining worries environmentalists. The escape
of methane from marine sediments may have played a role in ancient climate change.
Methane is a powerful greenhouse gas, and changes in ocean circulation that result in deepocean
warming could release large quantities of methane. About 55 million years ago, the
deep ocean warmed by at least 4°C. The large-scale escape of methane from the seabed may
have raised surface temperatures abruptly, melted surface ice, decreased the pH, and lowered
oxygen levels in the deep sea. Environmentalists are concerned that methane freed from deep
sediments may exacerbate the problem of climate change.In addition, it may provide a new
source of available energy and increase our dependency on carbon-based fossil fuels
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Sedimentary rocks that are composed of rounded gravel-sized particles are classified as conglomerates
a. True b. False
Instructions: Choose one answer from each pair of selections. A large wet-bulb depression measured with a sling psychrometer indicates that a LARGE | SMALL amount of water is evaporating from the wet-bulb thermometer into the air and that the relative humidity is low
Tropical forests in the Amazon basin and other South American countries are primarily being cleared or burned for ____.
A. biodiesel fuel for motor vehicles B. cattle grazing and soybean plantations C. firewood and small-scale farming D. oil palm and paper pulp plantations E. coffee and spice plantations
What happens to a beach when a groin is installed?