Answer:
The answer is:
D. The population must be very large.
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Answer:
Ecosystem services are the goods and services that biodiversity provides. They include soil formation, the provision of food and fibre, air quality and climate regulation, the regulation of water supply and quality and the cultural and aesthetic value of certain plants and species.
Answer: from the pulmonary veins into the left atrium.
Explanation:
After oxygenation of blood in the lungs, the right and left pulmonary veins carry oxygenated blood and empties it into the left atrium. The left atrium then empties the blood into the left ventricle through the left atrioventricular valve.
With contraction, the ventricle pumps the blood to the systemic circulation through the aorta. The blood flow into the aorta is guarded by the aortic valve.
Answer:
B. the water table
Explanation:
The question above is related to the topic on<em> "Groundwater." </em>
Groundwater is considered<em> "fresh." </em>It falls into the soil and gets soaked in it. It can stay stored for many years. It is very beneficial because it serves as a source of water for many residential places.
The storage of groundwater relies on two zones:<em> unsaturated zone</em> and<em> saturated zone.</em> The unsaturated zone is the first layer under the surface area of the land. It is followed by the<em> "water table,"</em> which lies a little farther from the land surface. After which is the saturated zone where you can find particles of different rocks.