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+.
Answer:
has commercial uses
Explanation:
only anaerobic respiration. has commercial uses some exples would be the making of alcohol and yogurt
The gas dissolves faster if the liquids temperature is increased.
Grasslands are describe as lands by grasses rather than extensive shrubs or trees and include the savanna and temperate grasslands.
<h3>How savannas different from grasslands?</h3>
The grass in the savanna is yellow and dried for the biggest part of the year, there's also lots of shrubs, and also small communities of trees that are on certain distance from one another.
The grass in the grasslands is green for the biggest part of the year because there's much more rain which is also better distributed throughout the year. This also allows lots of flowers and herbs to grow in the grasslands, thus making it have a nice spectrum of colors in between the greenness.
Thus,Grasslands are descibed as lands conqured by grasses rather than big shrubs .
To learn more about savannas click here:
brainly.com/question/23270360
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