From August 19–22, which sustainable investment model gained momentum due to traditional aid shrinkage?

1. Development finance institutions (DFIs)
2. Charitable crowdfunding
3. Government bonds
4. Philanthropic grants

The mole (symbol: mol) is the SI base unit for measuring the amount of substance. One mole contains exactly 6.02214076×10²³ elementary entities (atoms, molecules, ions, or electrons). Liter is a unit of volume, and gram and kilogram are units of mass.