During a fierce storm, a large number of tall trees on an island are uprooted by the wind and die. Most of the trees on the island are now short trees and produce seeds that grow into short trees. What concept is shown in this example?

Aplane flies directly between two cities, a and b, which are separated by . from a to b, the plane flies into a headwind. on the return trip from b to a, the wind velocity is unchanged. the trip from b to a takes less than the trip from a to b. what is the airspeed of the plane, assuming it is the same in both directions

In 1980, alfa romeo introduced the first system to smooth a rough idle caused by ignition and camshaft timing changes.

If y gets smaller as x gets bigger and y have an relationship?