What is the average pH of seawater?
a. 6.5
b. 7.0
c. 7.5
d. 8.0
e. 8.0
d
You might also like to view...
Which Köppen climate type (or types) is most closely associated with the distribution of the boreal forest biome?
Using the global map of biome distribution (Map T-30 in the back of the Lab Manual), the map of climate distribution (Map T-29), the maps of global temperature (Maps T-28a and T-28b), the map of global precipitation (on the inside front cover of the Lab Manual), as well as information about Köppen climate types from Exercise 23, answer the question. What will be an ideal response?
The half life of an isotope is 10,000 years. If 12.5% of the parent isotope remains in the rock by the time it is dated, how old is the rock?
a) 10,000 years b) 20,000 years c) 30,000 years d) 40,000 years e) Not enough information given to answer this question
Thunder results from the sudden expansion of heated air through the atmosphere caused by a lightening strike
Indicate whether the statement is true or false
When a disease infects and/or kills people all over the world, the event is referred as a ________.
A. pandemic B. mutation C. natural hazard D. capacity correction E. virus