What is the importance of the carbon dioxide (CO2 ) cycle?
A) It makes the growth of continents possible.
B) It allows for an ultraviolet-absorbing stratosphere.
C) It regulates the carbon dioxide concentration of our atmosphere, keeping temperatures moderate.
D) It will prevent us from suffering any consequences from global warming.
C
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To multiply two powers of ten:
a. multiply the exponents. b. add the exponents. c. multiply the numbers and add the exponents. d. multiply the exponents and add the numbers. e. multiply the numbers and subtract the exponents.
The Bohr model of the hydrogen atom accounts for which quantum number?
a. principal b. orbital c. orbital magnetic d. All of the above.
Which of the above molecules would be acidic?ld be acidic
A) a B) b C) c D) d E) a or d
The resistance of the heater is 10 ohms
Indicate whether the statement is true or false