Any of the cold-blooded vertebrates such as amphibians and reptiles; animals that depend on
external heat to regulate body temperature:a.
cyclothem d. ectotherm
b. vascular e. endotherm
c. heterotroph
D
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The world's most important energy resource today is
A) coal. B) petroleum. C) wind. D) nuclear. E) natural gas.
Most sharks are dangerous to humans
Indicate whether the statement is true or false
Which force does not have a direct effect on horizontal wind motions?
A) pressure gradient force B) frictional force C) gravitational force D) Coriolis force
Compared to solar generated electricity, hydroelectric systems
A) are advantageous because they produce significantly less greenhouse gas. B) are advantageous because they operate as well at night as during the day. C) do not last as long as most solar technologies. D) cannot produce as much electricity as solar technologies.