Homework Clinic
Science Clinic => Chemistry => Topic started by: jwb375 on Aug 27, 2018
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Hard water contains excessive amounts of ________.
A) fluoride ions
B) calcium ions
C) water ions
D) magnesium ions
E) Two of the above are the most appropriate answers.
Question 2
What is a similarity between pesticides and medical drugs?
A) They need to selectively target the invader but not harm the host.
B) They have to have a minimum amount of side effects.
C) They should be readily decomposed into non-harmful byproducts.
D) all of the above
E) only A and B
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Answer to Question 1
E
Answer to Question 2
D