In the solar technology graphic, the variables that explain why solar energy decreases during its conversion are represented by                a.  arrows pointing down.      b.  red dots.      c.  an arrow pointing to the right.      d.  orange lines.

Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.