The utility<span> approach </span>helps explain the law of demand<span>. In fact, the </span>demand<span> curve for a normal good is downward sloping due to the </span>law<span> of </span>diminishing marginal utility<span>.</span>
There are three main types of mutation present for DNA. They are substitution, insertion and deletion. Substitution is the exchange of one base for another. Insertion happens where extra base pairs are inserted. Deletions are mutations where a section of DNA is lost. Therefore, the correct answer is substitution.
Answer:
a dead organism right? if so, the dead organism must be buried in silt and sand. this will allow the air and bacteria to be kept away from the organism.
Explanation:
A warm spell during the Ice Age gave early humans a route out of Africa 20,000 years earlier than thought, say scientists who've uncovered a prehistoric tool kit in Arabia. ... Seas in the region would still have been at relatively low, Ice Age levels, making for shorter crossings.