The sequence of in DNA is unique so that each gene has a unique sequence.

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.

Amajor source of energy for your body comes from

How secretion and excretion both are different? explain in simple language.