Temperature, quantity, and cleanliness are three important factors that should be addressed when referring to water quality.
Answer the following statement true (T) or false (F)
True
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A lot of 10 components contains 3 that are defective. Two components are drawn at random and tested. Let A be the event that the first component drawn is defective, and let B be the event that the second component drawn is defective.
a. Find P(A).
b. Find P(B|A).
c. Find P(A ? B).
d. Find P( ? B).
e. Find P(B).
f. Are A and B independent? Explain.
How can oxygen be put back into water?
What will be an ideal response?
Letters are common to show in revision balloons so they can be differentiated from balloon numbers on assembly prints.
Answer the following statement true (T) or false (F)
What is true about the mass of reactants and the mass of products in all chemical reactions such as combustion?
What will be an ideal response?