The statement "A healthy ecosystem can support an unlimited number of life forms" is not true about ecosystems.(Option A)
Ecosystems have specific carrying capacities, meaning they can only support a certain number of life forms based on available resources, energy flow, and ecological interactions.
An ecosystem's balance relies on interdependence among its components, where various organisms depend on each other for survival and functioning. Predators are crucial in controlling populations and maintaining ecological equilibrium.
While human activities can impact ecosystems, not all activities necessarily improve their health, as some actions can lead to disturbances and environmentaldegradation.
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b. moment magnitude scale.
c. mechanical seismograph scale.
d. Mercalli scale
Answer:
The answer is B.
Explanation:
2. feudal wars
3. Crusades
c. high rain, low temperatures
b. low rain, high temperatures
d. high rain, high temperatures
b. Iron is a very dense element.
c. Iron is naturally hotter than other materials.
d. Iron has a higher melting point than other substances.
B. Nevada
C. Utah
D. New Mexico