Which sentence best supports the main idea below?
children's birthday parties today are quite different from those of the past.
a.
one of the first difficulties is preparing the list of invited guests. family and friends must be considered.
b. i remember my favorite birthday party because all of my relatives attended and sang to me.
c.
birthdays are important occasions and worth the effort involved in planning a celebration party.
d. many people today choose to have their birthday parties at a place other than their homes.

Read this passage from "the city without us" by alan weisman: which statement best explains how the structure of the passage supports the author's purpose? a. the passage traces several events in the order that they will occur to highlight how nature conquers human civilization. b. the passage shows that natural forces such as an absence of predators and an increase in the squirrel population can lead to destructive results. c. the passage shows that natural forms such as an absence of predators and human hunters can lead to the reforestation of new york city. d. the passage identifies how two natural forces are co-dependent - the deforestation of new york and the extinction of squirrels.