HEI UNIT REVIEW QUESTIONS & ANSWERS RATED A+
CORRECT 2026/2027
being the coldest continent on Earth - Ans✅✅✅ Antarctica is known for
the Greenhouse effect - Ans✅✅✅ What do many scientists believe relates to global warming?
it is the farthest continent from the equator - Ans✅✅✅ Why does Antarctica get so cold?
reserved for peaceful activities such as scientific research - Ans✅✅✅ Seven countries that claimed
Antarctica signed the Antarctic Treaty in 1959. This treaty made it so Antarctica was
it is reflected back into space - Ans✅✅✅ What happens to Antarctica's small amount of solar energy?
burning fossil fuels - Ans✅✅✅ The levels of greenhouse gases in the atmosphere are rising due
mostly to people
natural causes - Ans✅✅✅ Some scientists who doubt the global warming theory argue that Earth is
warming due to
icebergs - Ans✅✅✅ What do ice shelves form when their edges break off?
only cities and urban areas - Ans✅✅✅ Scientists who doubt the global warming theory argue that
increasing surface temperatures come from
Antarctica's climate each year - Ans✅✅✅ What can scientists learn from drilling into glaciers in
Antarctica?
a census - Ans✅✅✅ When researchers count the number of penguins in a certain location, it is called
CORRECT 2026/2027
being the coldest continent on Earth - Ans✅✅✅ Antarctica is known for
the Greenhouse effect - Ans✅✅✅ What do many scientists believe relates to global warming?
it is the farthest continent from the equator - Ans✅✅✅ Why does Antarctica get so cold?
reserved for peaceful activities such as scientific research - Ans✅✅✅ Seven countries that claimed
Antarctica signed the Antarctic Treaty in 1959. This treaty made it so Antarctica was
it is reflected back into space - Ans✅✅✅ What happens to Antarctica's small amount of solar energy?
burning fossil fuels - Ans✅✅✅ The levels of greenhouse gases in the atmosphere are rising due
mostly to people
natural causes - Ans✅✅✅ Some scientists who doubt the global warming theory argue that Earth is
warming due to
icebergs - Ans✅✅✅ What do ice shelves form when their edges break off?
only cities and urban areas - Ans✅✅✅ Scientists who doubt the global warming theory argue that
increasing surface temperatures come from
Antarctica's climate each year - Ans✅✅✅ What can scientists learn from drilling into glaciers in
Antarctica?
a census - Ans✅✅✅ When researchers count the number of penguins in a certain location, it is called
