True that is what a convection current is
Answer: 1.2 m/s
Explanation:
Velocity
is defined as the variation of position of an object or body in time. So, if we know the distance the seed traveled and the time, we can calculate its velocity:

Where:
is the distance the maple seed traveled
is the time
Then:

This is the seed's velocity
Answer:
Synthetic polymers are lightweight
Explanation: took the test
"Wheel & Axle" <span>can be described as a shaft that is attached to the center of a wheel
Hope this helps!</span>