Answer:
Astronomers believe that the larger the star, the shorter its lifespan.
B) exocytosis : exo- means out, cyto- means cell, and -sis means condition, therefore you have something coming out of a cell
C. A higher amount of addictive chemicals are needed to get the same high when fewer receptors are present...
There isnt any choices but i know that the answer is Uracil (it's found in RNA)
This is True . the reabsorption through the proximal tubule is obligatory 80% whereas water reabsorption through distal tubule is facultative but mostly through collector tubules 15 % ( under the action of aldosteron and antidiuretic hormone).