فئات
1-1 What is air? What is normal air?
The atmosphere around Earth is called air, normally defined as 0.1MPa pressure, 20℃, 36% humidity. Moisture in normal air reduces its volume when separated.
تفاصيل القضية
Answer:
The atmosphere around Earth is called air, normally defined as 0.1MPa pressure, 20℃, 36% humidity. Moisture in normal air reduces its volume when separated.
