Explain how two machines can appear identical and yet not have the same actual mechanical advantage

1 Which of the following provides an owing provides an example of sound waves being reflected? A. faring music being played by a neighbor's stereo through a wall B Water in a glass vibrating because of the sound of thunder C A noise that produces an

Which forms of consequence strengthen a desired behavior?

Last spring, your spouse surprised you with a puppy. fortunately, the puppy (named loki after the norse god of mischief) gets along well with your 17 cats. the decision you make every day about whether or not to feed loki is a:

A speaker's facial expression can add a different meaning to his words ... true or false

A two-year-old child's family has a pet rabbit. When the family visits the zoo, the child sees a hamster for the first time and calls it a rabbit because of the physical features that are common to a rabbit and a hamster.

Describe why a compromise was necessary at the Constitutional Convention for these two issues: Including slaves when the population of the US was counted basing representation in Congress on the population of the states

What are chinampas? A. artificial islands used for farming B. crops grown by Aztec farmers C. birds sacred to the Aztec people D. walls built to hold back flood waters

If your town wanted to build a new water treatment plant, which type of government would be in charge of the project?

What reference source would you use to find the meaning of "etiquette" this is language arts

How did the desire for trade with Asia encourage the exploration of the Americas?