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A properly designed buffer of trees and shrubs can reduce noise by about five to ten decibels — or about 50 percent as perceived by the human ear, according to the USDA National Agroforestry Center
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Answer:
1. There are three type of population distribution namely uniform, random and clumped.
a) Uniform distribution also know as a rectangular dispersal or distribution that has constant probability. This is also a family of symmetric probability distributions.
b) Random distribution takes place where individuals are spaced at unpredictable spaces or distances from each other.
c) Clumped distribution is when individuals in a population are clustered together, making some patches with other organism or individuals.
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Having a cell membrane ,with pores; that regulates substances entering and leaving the cells;
cytoplasm;contains sugar and salts for maintaining it's osmotic pressure; also has a liquid medium; for all biochemical reactions;
having nucleus; contains chromosomes having heridetary material; and controls all activities of the cells.
