I believe its b , hope it helps
Answer:
Cardona concluded that the study shows how, over the more than 25,000 years that modern humans been lived in Siberia, various peoples have adapted to the region's cold weather and meaty food sources through selection on multiple genes that control several biological mechanisms.
Explanation:
It is either a data tool or a GIS(geographic information system
The climate of Peru is tropical. It has a large variety of climate and weather, including deserts and mountain areas, but it is mostly subtropical climate with rainforests.
Hope this helps :)
This Should Help a Little:
A largely semi-arid belt of barren, sandy and rock-strewn land, the Sahel marks the physical and cultural transition between the continent's more fertile tropical regions to the south and its desert in the north. ... The Sahel also suffers from ethno-religious tensions, political instability, poverty and natural disasters.
