Which of the following is a reason why historians may want to consider opinions as well as facts reported by a source?
(1 point)
Responses
A source that historians trust is likely to have true opinions.
A source that historians trust is likely to have true opinions.
The opinions may provide clues to the source's feelings and possible bias.
The opinions may provide clues to the source's feelings and possible bias.
Examining opinions will reveal whether it is a primary or secondary source.
Examining opinions will reveal whether it is a primary or secondary source.
The opinions will reveal the identity of the source.
The opinions may provide clues to the source's feelings and possible bias.
How are equal-area projections of Earth inaccurate?
(1 point)
Responses
There are distortions near the center of the map.
There are distortions near the center of the map.
Directions and the shapes of the landmasses are distorted.
Directions and the shapes of the landmasses are distorted.
This projection does not show true sizes.
This projection does not show true sizes.
Areas close to the poles are disproportionately large.
Areas close to the poles are disproportionately large.
What causes earthquakes?
(1 point)
Responses
Blocks of crust slide against one another, often at plate boundaries.
Blocks of crust slide against one another, often at plate boundaries.
Pressure builds up in the molten rock beneath Earth's crust and causes it to shake.
Pressure builds up in the molten rock beneath Earth's crust and causes it to shake.
Tectonic plates break apart into smaller plates, and the crumbling causes shaking.
Tectonic plates break apart into smaller plates, and the crumbling causes shaking.
Sudden motions in Earth's mantle cause the crust to shift.
Blocks of crust slide against one another, often at plate boundaries.
Which of the following climate conditions would best support a tropical rain forest ecosystem?
(1 point)
Responses
dry air and cold temperatures
dry air and cold temperatures
dry air and hot temperatures
dry air and hot temperatures
moist air and cold temperatures
moist air and cold temperatures
moist air and hot temperatures
moist air and hot temperatures
Which is one advantage of maps over aerial photographs as a way of understanding Earth’s surface?
(1 point)
Responses
There is too much distortion in a photograph.
There is too much distortion in a photograph.
Maps show more features than photographs.
Maps show more features than photographs.
Photographs show only the most important features for a given purpose.
Photographs show only the most important features for a given purpose.
Photographs do not give an accurate picture of the region they show.
Maps show more features than photographs.
If the demand for a good or service increases, how will prices affect supply?
(1 point)
Responses
Rising prices will boost supply.
Rising prices will boost supply.
Falling prices will decrease supply.
Falling prices will decrease supply.
Rising prices will decrease supply.
Rising prices will decrease supply.
Falling prices will boost supply.