Water in the ocean combines with carbon dioxide to form a weak acid called carbonic acid. But the ocean's pH is 8.1. on average, which is slightly basic. How is this so?
a) Water has a set pH and never fluctuates.
b) Because of ocean water's salt content, it is always basic.
c) A and B
d) There is a natural buffer system.
D
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Judge the following sentence according to the criteria given below: The oil reserves listed in Table
14.3 are very reliable BECAUSE the United Nations annually audits every petroleum producing country to determine the size of their reserves. a. The assertion and the reason are both correct, and the reason is valid. b. The assertion and the reason are both correct, but the reason is invalid. c. The assertion is correct, but the reason is incorrect. d. The assertion is incorrect, but the reason is correct. e. Both the assertion and the reason are incorrect.
The atmosphere can be studied using three basic criteria: composition, temperature, and function. Discuss these three classifications, giving relevant details for each
What will be an ideal response?
A horse gallops 10 km in 30 min with an average speed of
A. 30 km/h. B. more than 30 km/h. C. 10 km/h. D. 20 km/h.
According to our text, the continued growth of urban populations is essentially irreversible
Indicate whether this statement is true or false.