Answer:
Greenhouse gases, including water vapor, carbon dioxide, and methane, form a small percentage of the overall atmosphere, yet they play an important role, trapping the heat required for life on Earth.
Simoom is a strong, dry, dust-laden wind usually used to describe a local wind to blows in the Sahara, Palestine, Syria, Jordan and the Arabian Peninsula. It can exceed 54 degrees C and the humidity can drop bellow 10%.
Shamal is a northwesterly wind blowing over Iraq and Persian Golf states, very often strong during the day, but decreasing at night. This wind occurs anywhere from just once, to several times a year, and it creates large sandstorms.
The similarities between these two winds is that they are strong, dry winds, that cause sandstorms.
I THINK 0.01...i think meaning im not 100% sure but i hope this helps