Answer:
1. False 2. True 3. False 4. True
Explanation:
The type of immunity that uses both helper and killer cells is Cellular Immunity. It is used by Cellular immunity to classify the abnormal cells. Once abnormal cells are detected it is destroyed by Cellular Immunity. Cellular Immunity serve as resistance from diseases caused by viruses.
A restaurant should be cleaned before the open and when they close for the day because then they wont have to worry about bugs. This regulation is in place because then they wont have to worry about bugs.
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alisa202
The theory that focuses specifically on the relationship between a child's stage of development and how the child thinks was developed (D) Piaget.
Explanation:
<u>According to the Jean Piaget's theory of cognitive development children's move through four different stages of mental development. </u>
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<u>Piaget theory is based on the understanding of how children acquire knowledge about the world around them ,and it also involves understanding the nature of their intelligence.</u>
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<u> He does not support the fact that intelligence is a fixed triat rather he advocate the fact that cognitive development is an outcome of biological maturation and interaction with the environment.</u>
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An acquired or hereditary disease of heart muscle, this condition makes it hard for the heart to deliver blood to the body, and can lead to heart failure, which is heart attack.
SO B IS THE ANSWER
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