it is smoke
The white line left behind a plane is called a contrail, short for "condensation trail." It is formed when hot, moist engine exhaust mixes with cold air at high altitudes, causing the water vapor to condense and freeze into ice crystals.
Polar jet stream is stronger.
The jet stream
A gulf stream is water ,and a jet stream is air.
The jet stream is located in the stratosphere.
A continental jet-stream travels parallel to the equator - a polar jet-stream travels in a north/south direction.
mid latitude jet stream and jet stream
jet stream
No. The jet stream is in the upper troposphere and lower stratosphere.
The polar jet stream is generally stronger than the subtropical jet stream
The polar jet stream is generally stronger than the subtropical jet stream
A jet stream of water shot out of the hose.