We will use the Descartes` rule of signs and see how many times the signs change from positive to negative and from negative to positive from one term to the next ( two consecutive terms are with different signs ).
In this case it is 4 times ( +7x13 to -12x9, -12x9 to +16x5, +6x5 to -23 x and finally -23x to +42 ).
Answer: There are 4 real zeroes.
Nitrogen is so vital because it is a major component of chlorophyll, the compound by which plants use sunlight energy to produce sugars from water and carbon dioxide (i.e., photosynthesis). It is also a major component of amino acids, the building blocks of proteins.
Fatty acids
think that's right hope this helps
Endoderm is the correct answer.
glad i could help(:
Well, both tend to feed on already decaying things, so I'd say that the body is at least 20 to 50 days after death. Beetles normally take over around that time because maggots can no longer get through the dry tissue.
