Answer:
The overgrowth of algae consumes oxygen and blocks sunlight from underwater plants. When the algae eventually dies, the oxygen in the water is consumed. The lack of oxygen makes it impossible for aquatic life to survive
Explanation:
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Answer:The process of a solid becoming a liquid is called melting
Explanation:
The law of conservation of energy states that when one
form of energy is converted into another, no
energy is destroyed in the process. The answer is letter B. Energy cannot be
created nor destroyed, it can only be converted from one form into the other.
Answer:
Explanation:
The <em>partial pressure</em> of a gas in a mixture is equal to the mole fraction of the gas multipplied by the total pressure.
The mole fraction of a component in a mixture is equal to the number of moles of the component divided by the total number of moles in the mixture.
In the mixture given there are:
- 0.5 mol He,
- 0.09 mol CO₂,
- 0.75 mol O₂, and
- 1.5 mol At.
Hence, the gas with greatest number of moles, and, consequetly, greatest mole fraction and<em> highest partial pressure</em> is<em> At</em>.
