Following are the temperature distribution of hundred days Temp °C
10 to 0 0 to 10
No. of days
18
Find the number of days when the temperature is less than 18° graphically​

Why did large numbers of african migrate to the americas

Sandstones that form in aeolian (wind/desert) environments appear very different from other sandstones, such as those formed in a beach/ shoreline environment and in rivers on land. give three identifying properties for each of the three sandstones that would tell a geologist which depositional environment they formed in. consider things such as the relationship between transportation and grain size, shape, roundness, sorting, fossils and composition.

Why is the study of demography important to geographers