put this in your own words. 12 points on the
global warming refers to a change in the earth's climate that is causing it to heat up. the greenhouse effect, on the other hand, is a natural process that happens constantly, due to sunlight and the atmosphere.

Global warming is a change in the earth's climate which makes it heat up. While the greenhouse effect is a natural process that always is happening because of sunlight and the atmosphere.

I hope this is easy enough.

straight probes are used primarily for measuring flow as it is approaching the test area. its geometry allows the probe to be mounted so that it is in the direct line of airflow.