The narrow belt of high-speed winds that blow from west to east, between 6,000—12,000 meters above Earth’s surface is called the ___ . Airplanes traveling in the same direction can use them to travel faster.

Answer

wind currents

they is quick

the answer is b: 1.4 km/hr

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation: