Author Question: The term periglacial refers to A) areas permanently frozen ground not covered by glaciers. B) ... (Read 54 times)

stock · **on:** Jul 14, 2018

The term periglacial refers to

A) areas permanently frozen ground not covered by glaciers.
B) areas that are on top of a glacier.
C) regions that are too warm for ground ice.
D) process and effects that existed during the last ice age.
E) regions which experience winter freezing and summer melt.

Question 2

Dengue fever, an infectious tropical disease carried by mosquitoes, has

A) shifted equatorward due to desertification in the subtropics.
B) spread previously unaffected areas due to changes in climatic conditions.
C) been eradicated due to the extinction of Aedes aegypti mosquitoes due to climate change.
D) never been reported in the U.S., but scientists fear it may arrive due to expansion of Aedes aegypti mosquitoes.
E) been nearly wiped out because of climate change related shifts in subtropical high pressure cells.