Which of the following is best for searching for background reading on your topic? explain your answer.

a) a subject encyclopedia

b) the library e-book collection

c) an in-depth subject specific database

d) all of the above e) a and b

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a

Mass (kg) force (n) 5 25 10 50 15 75 20 100 a student was trying to find the relationship between mass and force. he placed four different masses on a table and pulled them using a spring scale. the table shows the different masses used in the experiment and the force required to pull each mass. the student concluded that more force was required to pull heavier objects. what comment would you make regarding his conclusion? a) no clear relation can be observed between mass and force from the data. b) there is a direct proportion between the mass and force listed in the table. c) gravity should have been taken into account while performing the experiment. d) there is an inverse proportion between the mass and force listed in the table.

The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.