Lead Poisoning Can Result in Death If a Level of _____

question 40

Multiple Choice

Lead poisoning can result in death if a level of _____ micrograms per deciliter of blood is reached.

• A) 10
• B) 30
• C) 70
• D) 90

---

Definitions:

Eutrophication

A process where water bodies become enriched with nutrients, leading to excessive plant growth and oxygen depletion.

Aquatic Ecosystem

A water-based environment which includes both marine and freshwater habitats, supporting a diverse range of life forms.

Nutrient Concentrations

The quantities of essential chemical elements or compounds, like nitrogen and phosphorus, available in an environment, crucial for the growth of organisms.

Algae Blooms

A rapid increase or accumulation in the population of algae in an aquatic system, often resulting in a visible discoloration of the water.