Answer: Carlos Slim becomes the first Mexican and person from an emerging economy to top Forbes Richest Person list, with net worth of US$53.5 billion
The answer is 1. chemical change.
That is when one substance changes into one or more new substances, it has exhibited a chemical change.
A Chemical change is a change that takes places when a substance changes its composition by forming one or more new substances. As here also, one substance is changing into one or more new substance, thus it exhibits a chemical change.
Answer:
hydrogen is the chemical element with the symbol H and atomic number 1. with the standard atomic
This allows the water cycle to take hold. Transferring water to places all across the globe, adding minerals and purifying other water In the process.