Answer:
in the food chain, plants move carbon from the atmosphere into the biosphere through photosynthesis. ... Animals that eat plants digest the sugar molecules to get energy for their bodies. Respiration, excretion, and decomposition release the carbon back into the atmosphere or soil, continuing the cycle.
Explanation:
Answer:
The alveoli are sacks coated on their inner wall by white and sticky liquid, they can be more than a millimeter in diameter and surface active agent. In them there is the exchange of gases between O2 and CO2.
They are evaginations of the epithelium of the air ducts with a single opening for the gases to exit and enter, controlled by the action of a smooth muscle sphincter. Its walls, called alveolar septa, provide a large increase in the exchange surface.
Answer:
A new rock is produced that is different from the original rock.
Explanation:
During chemical weathering, a new rock is produced that is different from the original rock.
- Chemical weathering is the chemical decomposition of rocks to form sediments and soils.
- A large chunk of rock combines with water, air and other chemical materials.
- This cause chemical action and a new substance is produced.
- This process is known as chemical weathering.
Physical weathering is the breaking down of rocks into smaller fragments.
I would say the answer would be D.
Because: If a river is dammed then there is little to no flow going downstream. This will effect the life downstream and also change its conditions.
I Hope This Helped!
Cell, tissue, organ, organ systems, organism
