What are four classes in the subphylum Vertebrata, and what are some examples of animals in each class?
What will be an ideal response?
Amphibia: frogs, toads, salamanders
Reptilia: turtles, snakes, lizards
Aves: birds
Mammalia: humans, cows, dogs
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(Complete this sentenced) The elements of the PSM standard cover the things that ___________________.
Fill in the blank(s) with the appropriate word(s).
Dairy cows are found in every state in the United States.
Answer the following statement true (T) or false (F)
Technician A says CFC-12 (R-12) is no longer being manufactured in the United States. Technician B says CFC-12 (R-12) refrigerant can still be sold. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
In a sound absorption type muffler, what is sonic energy converted to?
A. friction, then heat B. mechanical vibration C. pressure D. noise