Answer:
Ecosystem services.
Explanation:
Essential services, such as water purification, nutrient cycling, and plant pollination are all examples of Earth's ecosystem services.
An ecosystem can be defined as the natural living habitats of both living and non-living organisms.
Hence, this essential services that are being provided by the ecosystem are really very vital, important and useful for the sustenance of life, both for humans and enhances social welfare.
Answer:
naturalistic observation
Explanation:
Observation is one kind of descriptive sturdy. It can be naturalistic or laboratory. <u> Naturalistic observation </u>is a research method in which the researchers observes subjects or participants in their natural environment or setting without any manipulation. Here, the researcher observes what naturally occurs in the classroom.
Answer: Abandoned property
Explanation:
The watch is considered abandoned property because the owner (Richard) has given up the rights to it.
<span>social contagion
This happens when there is the inclination for certain conduct displayed by one individual to be duplicated by other people who are either in the region of the first person who displayed that behaviour . It was initially postulated by Gustave Le Bon in 1895</span>
Countries trade<span> with each other when, on their own, they do not have the resources, or capacity to satisfy their own needs and wants. By developing and exploiting their domestic scarce resources, </span>countries<span> can produce a surplus, and </span>trade<span> this for the resources they need.</span>