Letter B, shows the amount of energy within each trophic level.
<span>There are so many societal issue that scientists will be able to address using the sequence of the human genome. For example, health epidemics. Using the genome, scientists can easily found how a pathogen affects a population and search for genes that can inhibit the pathogen. But no all health epidemics are caused by a pathogen. The obesity, nowadays a social health issue in so many countries, is an epidemic that can be address using the human genome. Also, the drug Abuse and Addiction. Scientific have found genes that are related to obesity and also genes related to drug addition. A person who have these genes is more likely to suffer those conditions. But, the discover of these genes and the disease relation help scientists to search for a better treatment.</span>
The answer is C. solid iron and nickel
C. The sensitivity of the retina decreases
