Is a banana a autotroph or a heterotroph

About how much of the cell mass is watet

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.

Some substances but not other can cross the (blank) membrane of a cell