Answer:
Oxygen enters the lungs through the trachea, which branches into two tubes called the bronchi, which lead to the lungs.
Answer:
<em>The correct option is A) sandstone aquifer</em>
Explanation:
Groundwater can simply be described as water which is present inside the Earth's surface in structures called aquifers. Aquifers are materials which have an ideal porosity and permeability which allow water to flow through them. Aquifers are materials like sand, silt or rocks.
Sandstone aquifers can trap waste particles like bacteria while allowing the water to easily flow. Hence, they can be used for sewage from a ruptures septic tank.
B. By using up less calories than you take
The answer is 3(x-2)(x+2)
