B
The other problems are not as easily solved; whereas, data collection over long periods of time is possible and was already done in the past, eg temperature and weather patterns. Therefore, this is the easiest limitation to overcome.
Scientists have concluded that the average human body contains approx. 37.2 trillion cells. However it depends upon your size compared an average human being. :)<span />
The answer that would best complete the given statement above would be the word REMINDER. Here is the complete statement. As a product in the maturity stage of its life cycle, chewing gum brands would most likely require the use of reminder advertising to prompt purchases. Other options for this question include informative, <span>persuasive, push and pull. </span>
Answer: 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.
Explanation:
It is called an amniotic egg.
