When will an insect that undergoes incomplete metamorphosis develop a set of wings? a.
after its final molt

b.
when it becomes a pupa

c.
when it breaks out of its chrysalis

d.
only insects that undergo complete metamorphosis have wings

How were computers in the 1950s and 1960s different from computers of today? they were much smaller. they were much faster. they cost less money they were bigger and slower.

We would like to work at the soup kitchen underline startsmore frequentlyunderline ends next year. which best identifies the degree of comparison of the underlined adjective or adverb?

(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.”)