Answer:
in controlled experiment an independent variable is systematically manupulated and dependent variable is measured ; any extraneous variables are controlled
Answer:
c is the answer for the question
One of the key and defining characteristics of innate immunity is that it creates stronger, faster, and more specific responses to invaders upon repeated exposure/infection.
Immunity is a defense system we are born with and it protects against all antigens. Innate immunity involves barriers that keep harmful materials from entering your body. Immunity forms the barrier of first line of defense in the immune response.
Four main components of immunity include effector cells, antimicrobial peptides, soluble mediators, and cell receptors. Innate immune responses rely on the body's ability to recognize conserved features of pathogens that are not present in the uninfected host.
Learn more about innate immunity here:
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Answer:
Scientific articles dealing with forms of nutrition and efficient feeding.
Scientific journals from health organizations.
Explanation:
Reliable sources are those that present information made by professionals and people who, in fact, know the subject they are addressing. It is necessary that these sources bring scientifically proven information, as it prevents incorrect, unnecessary and false information from being linked in society, especially information about health, food and nutrition.
The two sources shown above, can be considered reliable sources because they are made by professionals, who through studies and scientific research can prove all the information displayed.
