来自MSN1 个月
Strontium isotope map of Sub-Saharan Africa: A powerful tool for archaeology, forensics and ...
It is the first bioavailable strontium isotope map to show predicted strontium isotope ratios across all of Sub-Saharan Africa. Strontium is an element present in bedrock and soil that comes in ...
World Bank3 年
Assessing Africa's Policies and Institutions
The 2024 Africa Country Policy and Institutional Assessment (CPIA) report covers the period January to December 2023. In 2023, the average CPIA score for IDA-eligible countries in Sub-Saharan Africa ...