Answer:
A heatwave occurs when a system of high atmospheric pressure moves into an area and lasts two or more days.
Explanation:
In such a high-pressure system, air from upper levels of our atmosphere is pulled toward the ground, where it becomes compressed and increases in temperature.
The answer is nickel sulfate hexahydrate.
The chemical name of the substance is nickel sulfate hexahydrate.
Emerald-green crystals of the substance are used in nickel plating. The chemical name of this compound nickel sulfate hexahydrate.
This substance is used in nickel panting and it is having chemical name that is nickel sulfate hexahydrate.