What percentage of Americans over the age of 6 have trace levels of BPA in their bodies?
a. 93%
b. 95%
c. 90%
d. 83%
e. This applies to citizens of other developed countries, but not America.
A
You might also like to view...
Once a hypothesis is rejected,
A) an observation cannot be made. B) the experiment fails. C) it can be revisited in future studies. D) the scientific method has been violated.
What is transmutation?
A) changing one element into another by adding or removing protons from the nucleus B) changing one element into another by adding or removing electrons from the nucleus C) changing one element into another by adding or removing neutrons from the nucleus D) a process that emits radiation E) alteration in DNA due to radioactivity
Complex computer simulations of the variables affecting climate are called:
a. Milankovitch programs. b. global climate abstracts. c. prehistoric atmosphere simulations. d. global circulation models.
Which of the following scenarios would best indicate that a thrust fault is present at a location?
A) The hanging wall of the fault has slipped down. B) Two parts of the same rock have been horizontally displaced by 20 feet. C) Cambrian-aged rocks have been shoved on top of Jurassic-aged rocks. D) The crust has lengthened, allowing a graben to slip down and create a pull-apart basin.