the formation of a gas a precipitate or a color change are all indicators that a chemical reaction has taken place however the only definite indicator of a chemical reaction is the formation of a type here substance

Ineed with my science work! it’s due tomorrow!

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone

1. list three scientific reasons cockroaches may fly.