Which of these is an environmental effect of building dams?

A. Increased water temperature upstream

B. Increased fertility downstream

C. Weed growth upstream

D. Sediment builds up downstream

Suppose that Louisa is cut by broken glass during a lab accident. Which is the proper place to dispose of the paper towels that are used to clean up the blood? a. broken glass container b. hazardous waste container c. spilled chemicals container d.

A population of 20 squirrels, with 10 males and 10 females, colonizes a new area with no predators and enough plant species to support a squirrel population of 200 individuals.

Carbon compound that stores and transmits genetic information is called

The lysogenic cycle is a viral reproductive cycle in which A. the virus causes the the host to become extremely ill. B. the virus causes the cell to lyse. C. the viral DNA becomes part of the host DNA. D. the viral DNA digests the host DNA.

Which of the following is situated at the base of the lungs? a. diaphragm. b. larynx. c. bronchi. d. pharynx.

To cause a human pandemic, the H5N1 avian flu virus would have to a. spread to primates such as chimpanzees. b. develop into a virus with a different host range. c. become capable of human-to-human transmission. d. become much more pathogenic.

Which of the following is an example of a mineral

1. Which number in a chemical formula tells you how many atoms of element you have? O A. Coefficient O B. Chemical symbol O c. Subscript O D. Capitals

A burner on a stove gets red and heats up because it: A) creates static charge B) creates resistance C) creates current

The contention that since there are cross-country or cross-cultural differences in ethical standards, it is appropriate to judge behavior as ethical/unethical in the light of local customs and social mores should take precedence over a single set of