Answer:
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DNA is an example of a complex biological polymer called a nuclei acid. Nucleic acids are made up of many smaller sub units called nucleotides. The components of a DNA nucleotide are deoxyribose, phosphate group, nitrogen group. There are four possible bases in a DNA molecules which includes adenine, cytosine, guanine and tymine.
The balls move randomly.
Because gas molecules are known for their movement and the above statement says “to model the movement”
Answer:
2. An ecological pyramid is also called as trophic pyramid or energy pyramid. It is a graphical representation that indicates the biomass at each trophic level in a given ecosystem. It is the total amount of energy that is consumed at each trophic level in a given food chain.
3. It follows that the carnivores (secondary consumers) that feed on herbivores and detritivores and those that eat other carnivores (tertiary consumers) have the lowest amount of energy available to them.
4. Energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level. Trophic level transfer efficiency (TLTE) measures the amount of energy that is transferred between trophic levels.
Explanation:
2Al2O3-->4Al+3O2
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