Answer:
The biosphere is influenced by other spheres and also influences other spheres.
Explanation:
The biosphere comes into contact with several other spheres such as the hydrosphere, the lithosphere, and the atmosphere.
Contact with the atmosphere is a two way street since the biosphere can alter the composition of the atmosphere. However, many members of the biosphere like mammals and birds depend on the mix of gases in the atmosphere to survive, and weather is an important agent of change.
The lithosphere is another sphere that can impact the biosphere through geologic activity both underground and on the surface. The impact of the biosphere on the lithosphere can be observed through the altering and transformation of terrains and through biochemical weathering of rocks.
Answer:
B. Look around, since even a changed ecosystem is still an ecosystem.
Explanation:
Ecosystem refers to the interaction or relationship that exist between living organisms and its surrounding environment. This environment provides habitat, food and other needs to the organisms. If the people in the Midwest determine what kind of natural ecosystem they are in, they have to look around the environment they are living. This environment includes all the plants and animals that survive the change which occurs due to humans intervention.
Answer:
Explanation:
In Sri Lanka there was distrust between the Sinhala and Tamil. These communities escalated their problems into a full-out civil war because Sinhala was declared as the only official language and they completely disregarded the Tamil. Besides this, the Sinhala had privilege over the other side in government jobs and almost all higher positions in the bureaucracy.
