What are jet streams? Why would a meteorologist talk about them?

very strong predominantly westerly air currents encircling the globe several miles above the earth. There are typically two or three jet streams in each of the northern and southern hemispheres.

Explanation:

these strong winds involve weather changes and a meteorologist specializes in whether so this is a very important part in his job.so i can see why he would talk about them

ok

explanation:

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.