He regions of light and unpredictable winds at about 30° no
atitudes are called
a trade winds
b solstices
chorse latitudes
d equinoxes

The regions of light and unpredictable winds at about 30° No  latitudes are called trade winds

Option A

Explanation:

Trade winds are the latitudes which cool and descend at 30 degree north and are areas with surface winds but these surface winds are light and unpredictable. These are the winds that blow towards the equator.

Trade winds blow at an average speed of about 5 to 6 meters per second and these winds are unpredictable. These winds are warm winds and therefore they pick up moisture and bring heavy rainfall.

what are the choices for the anwser?

the precambrian aged rocks could be found in australia. australia is a region that has a lot of ancient civilization history from million years ago. in this region, there are a lot of recognizable fossils buried in its land which is considered a precambrian-aged rocks