I believe the answer is B. <span>The antibodies on B cells bind to the antigens on the pathogen's surface.
</span>
A reddish tinge in the cerebrospinal fluid indicates that there is internal bleeding, or hemorrhaging, or is a sign of spinal cord obstruction.
The cerebrospinal fluid (CSF) is a clear, colorless fluid found in the brain and spinal cord. The main function of this fluid is to cushion the brain and spine from impacts and blows and protect these vital components of the body.
Answer:
The answer is Fe and CO2 :)
Answer:
Grasslands and savannas are related and often intermixed biomes typically dominated by grasses. True grassland supports few if any woody plants, while savannas include varying proportions of shrubs and trees, grading into woodland where canopies begin mingling.
Explanation:
Answer:
xzwdsad
Explanation:
acssddssdhssyetsyysyshsysygsgsushshwhshshshshzhzhzus