Trichloroethylene (TCE) is toxic to humans because it

A. contains heavy metals.
B. causes a decrease in the yield of crop plants.
C. prevents CO2 production by plants.
D. depletes nitrogen from soils.
E. is carcinogenic.


Answer: E

Biology & Microbiology

You might also like to view...

Which hormone, secreted by glands in the intestine and stomach after a meal, acts to suppress the appetite?

a. ghrelin b. leptin c. PYY d. gastrin e. pepsin

Biology & Microbiology

Which process involves the movement of molecules or atoms down a concentration gradient across plasma membranes?

A) active transport B) passive transport C) exocytosis D) endocytosis

Biology & Microbiology

How does a lack of oxygen affect energy availability in animals?

What will be an ideal response?

Biology & Microbiology

What type of enzyme is not made of protein?

A. Ribozyme B. Apoenzyme C. Cofactor

Biology & Microbiology