This topic contains a solution. Click here to go to the answer

Author Question: Protecting a sample from light is best done by: a. placing the sample in an amber-colored tube b. ... (Read 25 times)

moongchi

  • Hero Member
  • *****
  • Posts: 516
Protecting a sample from light is best done by:
 a. placing the sample in an amber-colored tube
  b. All tubes protect the sample from light.
  c. wrapping aluminum foil around the sample
  d. both A and C

Question 2

Circadian changes are best described as:
 a. changes through the course of a year b. hour by hour changes
  c. cyclical changes throughout the day d. changes every 10 years



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

meow1234

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

d

Answer to Question 2

c




moongchi

  • Member
  • Posts: 516
Reply 2 on: Jun 25, 2018
YES! Correct, THANKS for helping me on my review


Liamb2179

  • Member
  • Posts: 365
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

For a complete list of videos, visit our video library