Answer: Rust is an example of a chemical change.
Explanation: Remember, a chemical change has to do with chemicals permanently changing something. Rust comes form metal and oxygen. When these two chemicals mix, it causes rust.
The pressure on the inner core is greater than on the outer core and the melting point of iron, and because the pressure effect is higher than the temperature effect, the inner core is solidified.
The answer is the parent material. Parent material is what occurs on the surface before soil begins to form. This is found in new environments such as after a volcanic activity. Pioneers organisms of an ecosystem and abiotic elements of weathering such as water and temperatures begin to weather the rocks into smaller particles, Humus and organic matter from life accumulate with the minute rock particles to form soil over time. The topmost soil is the most developed and this is why soil has profiles towards the deep into the parent rock material, depending on the stage of weathering.
Answer:
preplanning is so important because it helps us to achieve our goals and to get success in our life...:)
Changing it yeah just saying
