- Which example shows correct parallel structure? A Recommended exercise includes to run, to swim, and cycling.
B Recommended exercise includes running, swimming, and to cycle.
C Recommended exercise includes running, swimming, and cycling.
D Recommended exercise includes running, to swim, and cycling.

The development of new inventions in the field of space travel seemed rapid. how does the word rapid function in a sentence?

(1) fire extended humans’ geographical boundaries by allowing them to travel into regions that were previously too cold to explore. (2) it also kept predators away, allowing early humans to sleep securely. (3) fire, in fact, has been a significant factor in human development and progress in many ways. (4) other obvious benefits of fire are its uses in cooking and in hunting. (5) probably even more important, however, is that learning to control fire allowed people to change the very rhythm of their lives. (6) before fire, the human daily cycle coincided with the rising and setting of the sun. (7) with fire, though, humans gained time to think and talk about the day’s events and to prepare strategies for coping with tomorrow. the sentence that expresses the main idea is: (type the number of the sentence. then click “go.”)

You make a necklace using blue. purple and green beads in aratio of 1: 1: 2.you use atotal of 168 beads. how many green beads are in the necklace