Choose the image where a chemical reaction has not taken place eggs cooked marshmallows browned water boiled seeds grew

Answer : the correct option is, Water boiled  

Explanation :

Eggs cooked  : It is a chemical change because a new compound or substance is formed by the cooking. As we know that a liquid is present inside the egg when we are cooking egg then the liquid changes to solid.

Marshmallows browned  : It is a chemical change due to the burning of sugar. In the sugar burning process, sugar react with oxygen to give carbon dioxide and water as a product.

Water boiled  : It is not a chemical change. It is a physical change because in this process only phase changes from liquid state to gaseous state.

Seeds grew : It is a chemical change due to the process of photosynthesis in which a carbon dioxide react with water in presence of sunlight to gives glucose and oxygen as a product.

Hence, Water boiled is not a chemical change.

the formula would be mgso4

mgso[subscript]4

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.