A 26 year old college student went on a camping trip and returned with a strange discoloration on his teeth caused by a chromogenic bacteria in the drinking water. This stain is which of the following?

Test:  May29_Biology-HL_P1.pdf Duration of Test: 60 minutes  Total Points: 50 pts  Once you are ready to submit, please scan and upload your work as a single PDF file. Upload all scratch paper used as well. Please upload your work as a single PDF file.   To retrieve your work via Gmail with Honor Lock enabled, use the link below: https://mail.google.com/mail/u/0/#inbox If you are using Airdrop, you can ignore this instruction. 

This quiz will be based on the readings from week. You will select the best answer to the question. Students have unlimited attempts and time. The quiz consists of 25 questions worth 1 point each for a total of 25 points. Please note the Honorlock instructions as well as the academic honesty policy. There will be no reviews associated with this quiz. You should work on this quiz on your own. Due the last day of Week 1 by 11:59pm CST. Please note the Honorlock instructions as well as the academic honesty policy. There will be no reviews associated with this quiz. 

Classify the following as natural, whole, integer, rational, irrational, or real numbers.  There may be more than one answer. a)  0 b)  5{“version”:”1.1″,”math”:”5″}

What is pre-reading?

What does annotating mean?

 Which statement about SWA-2 is TRUE?

Which of the following is NOT one of the main steps in the writing process?

Peter Elbow is known for promoting what technique?

Stevens-Johnson syndrome is a severe form of which disease?