What percentage of synthetic chemicals commonly used today has been adequately tested to determine if they are mutagen, carcinogen, or teratogen?
a. almost 90%
b. 75%
c. 50%
d. 25%
e. 2%
E
You might also like to view...
What are the three farming patterns that are found in Southeast Asia, and generally where are each of these patterns found?
What will be an ideal response?
In Costa Rica, a heavy downpour provides water that quickly evaporates or is absorbed and released by the dense vegetation of the tropical rain forest. This is an example of a cycle using
A) condensation, evaporation, transpiration, and green water. B) condensation, precipitation, and gravitational water. C) evaporation, gravitational flow, and adiabatic cooling. D) precipitation, gravitational flow, and convection.
The Coriolis effect only applies to atmospheric motions; aircraft, rockets, people, etc. are not influenced
Indicate whether the statement is true or false
A sedimentary rock that consists of sediment grains bound by cement into a rigid framework is called ________.
A. crystalline B. recycled C. organic D. clastic E. biochemical