The upper atmospheric region rich in ozone (O3) that screens out incoming ultraviolet (UV) radiation is called

A. proterozoic region.
B. stratosphere.
C. ozone layer.
D. troposphere.
E. radiosphere.


Answer: C

Biology & Microbiology

You might also like to view...

Schistosoma haematobium infection

A. predisposes victims to liver cancer. B. begins with larval entry through abraded skin. C. predisposes victims to bladder cancer. D. has no effective treatment at this time. E. is transmitted via the fecal-oral route.

Biology & Microbiology

The maximum sustainable population size for the prevailing environment is called the ________ capacity

Fill in the blank(s) with correct word

Biology & Microbiology

Which of the following types of fungal disease is primarily the result of ingestion?

A) mycosis B) dermatophytosis C) hypersensitivity D) toxicosis E) both mycosis and dermatophytosis

Biology & Microbiology

Mendel's laws are based on the behavior of chromosomes during prophase.

a. true b. false

Biology & Microbiology