Is the moon or sun blocked out during a solar eclipse?

Nh3 +02-no + h20 is unbalanced what is the balanced equation

Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous