A standard contains a known amount of a substance. If u are performing an experiment you will use a sample with a known concentration to create a standard curve (a straight line). Positive and negative controls are measured against the standard curve to show the expected results if the sample u will be testing is positive or negative.
Answer:
Not have sex or use condoms. Also, do not share needles or any other items that you stick into your skin.
Explanation:
False. Jaundice is a condition in which the skin and whites of eyes and mucus membranes turn yellow due to high levels of bilirubin.
Yes, it can with excercise. The more you exercise the stronger it will become
