The flu is spread every 30-45 years since the 16th century, so we know when to prepare and how to do it. Also, we have learned where it will strike and the containment. Hope this helps! :)
Answer:
headache , general aches and pain ,loss of appetite, indigestion, grinding of teeth , problem sleeping
The root word which means "red" is a. erythr/o.
Just think about biology - you should know that red blood cells are called erythrocytes, where you can obviously see that root word.
Leuk/o refers to white color, and the other two options do not refer to colors at all.
using a good sturdy chair to reach boxes that are too high
