Which of the following statements about entropy is true?
a. entropy increases going from one trophic level to another.
b. increases in entropy lead to reversible processes.
c. a system’s work output is limited when changes in entropy do not occur.
d. all of the above

The term "jim crow" is used to describe which of these? a) bans on hunting b) segregation of the races c) preventing women from voting d) creating more public schools

Which statement defines personality

Which of the following was a factor that attracted settlers from the east to the oregon country in the 1840s? a. the absence of native americans in the oregon country attracted many eastern settlers to the region. b. the discovery of gold in 1848 caused a huge migration of people into the oregon country. c. the oregon country’s status as an area of religious freedom attracted many mormons from the east. d. married couples could claim 640 acres of free land in the oregon countr