The sun is a vital part of the earth, so if it changes energy levels, it will clearly have an affect on the earth. If the energy increases, it'll most likely dry out the grass and melt the snow, etc. If it decreases, the snow could freeze and change the climate.
C. Xylem moves water up, and phloem moves food down
To separate the pebbles you should hand pick it,
meaning-from the word itself, you don’t have to use any kind of instrument but
your hand.
On the other hand, to separate the mud you can use
decantation or sedimentation or filtration.
To separate the husk you have to use sieving.
