Technician a says any normal chemicals can be used to clean aluminum parts or components. technician b says most chemical cleaners are strong soaps called caustic materials. who is correct? a. neither technician a nor b b. both technicians a and b c. techniciana d. technician b

What are the main functions of the human skeleton? a exchange of gases b support and movement c sensing the environment d digestion and excretion

Read the paragraph. we didn’t enjoy our food when we went out to eat, but our friend nelson said that the restaurant normally served some of the best italian food in town. in fact, he said it was one of his favorite places to eat. he said that we should return and give it a second chance. what word best replaces “said” in the last sentence? insisted announced exclaimed shouted

Select the statement that is not true about the hubble telescope: a. it orbits above the earth, avoiding the light distortion caused by our atmosphere. b. it is mounted high on a hawaiian mountaintop to provide stable images. c. it has allowed scientists to see the formation of far-away stars and solar systems, leadin some certainty about the history of our own solar system. d. it has documented the destruction of far-away stars and galaxies, leading to some certa the theories of the life cycles of stars.