Why is the anode of a battery indicated with negative (-) sign?
A) because that is where electrons are being generated
B) because it is negative
C) because it is positive
D) because that is where electrons are being adsorbed
E) It is just a convention so the batteries are put in the MP3 player correctly.
A
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What is the study of the origin and evolution of Earth, its continents, oceans, atmosphere, and life?
a. physical geology b. scientific method c. cosmology
d. historical geology e. solar nebula
The science of geology is divided into two broad areas: ____________________ geology and
____________________ geology Fill in the blank(s) with the appropriate word(s).
Human activity is increasing the amount of carbon in the earth's atmosphere, leading to an increase in temperatures.
a. true b. false
What role did the creation of the ozone layer have in the distribution of life forms across the planet and why?
What will be an ideal response?