Well if you mean what does the controlled part of a scientific investigation, it is the part of the investigation that will be your control or your base, untouched, original, data and such.
Can’t have more than a certain amount
<em>After World War II, many people moved from the cities to _____.
</em>
suburbs
Answer:
Option (D)
Explanation:
Organic detritus usually refers to those materials that are the remains of dead organisms such as plants and animals.
The flowing water ecosystem such as the head-water streams obtains most of the materials from the nearby terrestrial and aquatic places due to the surface runoff. It is highly rich in the amount of organic detritus, as the materials such as leaves, branches, roots, soil particles, and other organic waste products are transported from the land areas, thereby obtains its energy from them.
Thus, the correct answer is option (D).
Answer:
As the moisture-rich air approaches the mountain, it rises and cools, and water molecules in the air combine to form small drops. The process where water vapor becomes a liquid is called condensation.