The center for disease control and prevention is a leading national public health institute of the united states based on the data presented to using the cdc's current limit of 10 micrograms per deciliter is reasonable explain your answer

Protecting children from exposure to lead is important to lifelong good health. No safe blood lead level in children has been identified. Even low levels of lead in blood have been shown to affect IQ, ability to pay attention, and academic achievement. And effects of lead exposure cannot be corrected.

The most important step parents, doctors, and others can take is to prevent lead exposure before it occurs .

Explanation:

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energy is given off the sun and the plants use it to make their own food then the plants are eaten by the animals witch given the animals energy and then it just continues threw-out the food web.

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