//Exercise  
 
  float sealevel;
  float chop=20    //Distance between waves
void scene() {
    //scene:  sky & sea
    background(157,200,250);
    fill(0, 200,60);
    rect(0, sealevel,width, height);
}
void waves(float chop) {
    //Make waves//
    float x,y;
    y=sealevel;
   for(x=0;x<width; x=x+chop) {
     noStroke();
     fill(150, 200, 250);
     ellipse(x,y chop, chop);
}
}
void grass(){
//Waving grass
//Draw blades of grass across the screen//
float tilt+10;
for(float x=0;x<width;x+=40) {
  //Draw oneblade of grass.
  fill(255,260,0);
}
void fishes() {
  //school of fish, swim back and forth.//
  fo(int j=0, j<many; j++) {
  void draw (); {
    //next frame
    scene();
    waves();
    grass();
    fish();
    sun();