Which of the following statements about map types is false?
a contour lines show elevation on topographical maps
b. climate maps often use color to indicate differences in climate zones.
c. special purpose maps frequently use images and keys for identification.
d. physical maps are not used to display elevations or the earth's features.

Which of the following statements most accurately describes the requirement for the documentation of minors’ assent to participate in research? parents must approve written documentation. documentation is required unless waived by an irb. to protect minors documentation is always required. federal regulations do not require the documentation of minors’ assent.

In what way was family life impacted by industrialization? a. there was a rise in the middle class. b. there was a decrease in the birth rate. c. women were not allowed to work in factories. d. families relied on farming for food supplies.

Population parameters are difficult to calculate due to