I think salt is it
........................
Answer:
➢ In a mercury thermometer, <u>a glass tube is filled with mercury</u> and a standard temperature scale is marked on the tube. With changes in temperature, the mercury expands and contracts, and the temperature can be read from the scale. Mercury thermometers can be used to determine body, liquid, and vapor temperature.

#CarryOnLearning
1. Humboldt
2. Mendocino
3. Sonama
4. Butte
5.Santa Clara + Alameda + San Mateo + Santa Cruz (according to thr map I found there were 4)
6. San Luis Obispo + Santa Barbara (2)
7. Orange + San Diego (2)
Answer:
The correct answer is option C. "2+".
Explanation:
A common procedure to test for the presence of antigens is to perform an agglutination reaction by performing an antibody screen. In an agglutination reaction that is graded 2+ the red blood cells start to be broken and medium-sized agglutinates are formed. In this reaction no red blood cells are free, only agglutinates are seen at the bottom of the microtubes. The characteristics of the reaction herein described concur with an agglutination reaction that is graded 2+.
Explanation:
who many chambers does the heart has