Water is considered a NATURAL resource (fresh water is also considered a limited resource)
oil, coal, and natural gas are considered NON-RENEWABLE resources.
CHEMICAL energy is able to be replaced within the ecosystem for human use.
a farmer who wants to produce the best crop yield will use PRECISION FARMING
when a pollutant increases in concentration at higher levels of the tropical level, BIOMAGNIFICATION can harm organismsat the highest levels.
Because it was not tested multiple times by other scientists
Open system: has the transfer and exchange of matter and energy in the system's surroundings.
Closed system: has a limit to how much matter is exchanged.
All of Earth's systems are considered open systems, but as a whole, they are closed.
Answer:
<u>B: mountain lions porbably outcompete wolves for food.</u>
