The Hubble Space Telescope was put into orbit in 1990. This telescope has been the MOST useful to scientists studying which of
the following?
O global weather patterns
o origins of the universe
O plate tectonics
O surface characteristics of the moon

How has the scientific community addressed the safety of chemicals? a. chemicals are repeatedly tested, even those that have existed for a long time. b. existing chemicals are tested if they have never been tested before. c. chemicals are tested if they are suspected to have caused a problem. d. only new chemicals are tested.

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

The rules of engagement (roe) working group is often used to (select all that apply.)