Answer:
Perhaps the first true rockets were accidents. In the first century A.D., the Chinese reportedly had a simple form of gunpowder made from saltpeter, sulfur, and charcoal dust. To create explosions during religous festivals, they filled bamboo tubes with a mixture and tossed them into fires. ... The true rocket was born.
source NASA
Explanation:
Air masses move from areas with high pressure (such as the poles of the Earth) to areas with low pressure (the equator). The temperature and moisture of an air mass depend on where it is formed. A maritime tropical air mass is _______ and _______.
Answer:
Warm and moist.
Explanation:
Airmass is a large body of air it covers hundreds of meters. It moves due to global air circulation. It changes the weather, temperatures, and humidity of the air. Also creates weather disturbances. A maritime tropical air mass forms near the poles and is a mass of warm, moist, and unstable air. It originates in subtropics of the pacific ocean.Answer: Warm and moist.
Explanation: