How many metric tons of air pollutants does the United States release every day?
a. 100,000
b. 200,000
c. 500,000
d. 700,000
e. 900,000
ANSWER: d
You might also like to view...
Which of the following is the homeostatic
control for respiration?
a. carbon dioxide concentrations b. oxygen concentrations c. ATP concentrations d. activity rates e. more than one of these is the homeostatic control for respiration
Forests, like other ecological systems, are subject to the species succession process. Which of the following would be characteristics of pioneer plant species facilitating the early stages of forest succession? (Check all that apply)
_____ slow-growing _____ pollinated by animals _____ seedling growth requires direct sunlight _____ seeds germinate in the shade _____ plants produce great quantity of seeds Clarify question: What is the key concept addressed by the question? What type of thinking is required? Gather Content: What do you already know about succession? What other information is related to the question? Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection on Process: Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Your former roommate went through a fairly promiscuous stage during her freshman year. Now she feels certain that she has an STD, possibly more than one STD
Too embarrassed to go to the doctor, she wants to take antibiotics that you had left over from a case of strep throat. She tells you that antibiotics will wipe out whatever she has. You caution her that using old antibiotics is a terrible idea and that the medicine will not, in fact, kill all STDs. Which of the following STDs would your antibiotics definitely not eliminate? A) gonorrhea B) chlamydia C) syphilis D) HPV infection
The two polynucleotide chains in a DNA molecule are attached to each other by
A) covalent bonds between carbon atoms. B) covalent bonds between phosphates and sugars. C) peptide bonds between amino acids. D) hydrogen bonds between bases. E) ionic bonds between "R" groups in amino acids.