Which best defines cohesion?
a. cohesion is caused by polar water molecules attracting each other.
b. cohesion is caused by polar water molecules repelling each other.
c. cohesion is caused by polar water molecules repelling and not mixing with non–polar molecules.

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

explanation:

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explanation:

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ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg