The answer is 2. where the leaves provide the food for the plant by photosynthesis, and sunlight is required to carry out photosynthesis.
Answer:
Examples of abiotic factors are water, air, soil, sunlight, and minerals. Biotic factors are living or once-living organisms in the ecosystem. These are obtained from the biosphere and are capable of reproduction. Examples of biotic factors are animals, birds, plants, fungi, and other similar organisms.
The carbon dioxide carried in the blood is actually combined with water and carried in the red blood cells in the form of carbonic acid, which has a dissociation constant:
H₂CO₃ ↔ H⁺ + CO₃⁻
When the pH of the blood decereases, the concentration of H⁺ ions in the blood becomes high. This causes the equilibrium to shift backwards, as per Le Chatelier's principle. The H⁺ ions are converted back to carbonic acid and the pH is increased. The opposite occurs when the pH is too high.
Answer:
Because in 1900s more revolutions took place and more pollution was done.
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Answer: This is called allopatric speciation. The species continue to evolve in the own way, adapting to their different conditions. The eventually become two different species adapted to each environment.
