Ionic compounds are formed between a cation, which is usually a metal, and an anion, which is usually a nonmetal. A covalent bond involves a pair of electrons being shared between atoms. I hope this helps you out.
The adaptive immune response is the second line of defense against non-self pathogens. Adaptive immunity, also known as acquired immunity or specific immunity, is found only in vertebrates.
<h3>What is second line of defense?</h3>
Nonspecific resistance, which destroys invaders without targeting specific individuals, is the second line of defense: phagocytic cells ingest and destroy all microbes that enter body tissues.
The adaptive immune response is the body's second line of defense against non-self pathogens. Adaptive immunity, also known as acquired immunity or specific immunity, is found only in vertebrates.
Thus, adaptive immune system is a natural, nonspecific immune response, but it is part of the body's second line of defense.
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Establish eye contact
The following strategies should be used by the nurse to encourage communication with a patient with aphasia:
face the patient and establish eye contact,
speak in your usual manner and tone,
use short phrases,
pause between phrases to allow the patient time to understand what is being said
Answer:
I believe the answer is B
Explanation:
I hope this helps
Answer:
Place a filter funnel on the top of a conical flask.
Roll the filter paper into a cone and place it on the flask.
Pour the mixture of sand and water into the conical flask with the filter funnel and paper.
Wait till all the sand is left over in the filter paper and all the water has been separated.
(You could also heat the sand in a warm oven to remove any water remaining)
