Discuss large mammals of the Pleistocene. What will be an ideal response?
During the Pleistocene, temperatures were considerably colder than today. Some mammals
developed larger sizes in order to lower the ratio of surface area to volume. This decreased
surface area to volume ratio allowed more of the heat that the animal generated to be
retained. Many of these mammals also developed a thick insulating layer of fur to further
help retain internal heat.
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The opening of large fissures that swallow people is a significant source of danger created by
earthquakes. Indicate whether the statement is true or false.
What is the largest cause of soil erosion?
A. flowing water B. still water C. wind D. sink holes E. mountain avalanches
In the present day, what is the most valuable non-living commodity obtained from sea floor?
A) oil and gas B) sand and gravel C) gas hydrate D) gold
Describe the process of risk assessment for public health as it was recently carried out by WHO. What is a DALY?
What will be an ideal response?