To make vaccines a person is inserted with a weakened virus that can be easily fought off in order to make the person immune. Therefore, the answer is weakened measle viruses.
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Answer:
false
Explanation:
your body needs a lot on food, materials, etc. from natural resources
Answer:
They affect the nervous system by reducing the function and activity.
Explanation:
Answer:
Explanation:
Why do sex-linked traits follow different patterns of inheritance than other traits? ... Males cannot carry recessive alleles for sex-linked traits. C. Males carry two copies of every sex-linked gene.
Well the order. of the food chain starts with Sun then producers (plants) soak that in and consumers eat producers and then decomposes take down consumers when they die and returns it to the soil. it all starts with the Sun.