Which number indicates neutral on a pH scale?
A) 1 B) 3 C) 5 D) 7 E) 9
Answer: D
Environmental & Atmospheric Sciences
You might also like to view...
The red color in red rocks usually indicates the presence of ____
a. magnesium b. carbon c. silica d. fossilized blood e. iron
Environmental & Atmospheric Sciences
Which of the following pairs lists an r-selected organism followed by a K-selected organism?
A) elephant; whale B) pine tree; dandelion C) dandelion; pine tree D) grasshopper; whale E) elephant; pine tree
Environmental & Atmospheric Sciences
Geologists describe shale as being fissile, which means it ________.
A. forms in quiet water environments B. is fine-grained C. splits into thin layers D. is dark in color E. is poorly sorted
Environmental & Atmospheric Sciences
Viruses are responsible for all the following diseases except
A. AIDS. B. the common cold. C. malaria. D. influenza (the flu).
Environmental & Atmospheric Sciences