An environmentalist wants to study the impact of COVID lockdowns on environmental quality. The independent (IV), dependent (DV) and intervening variables (INV) will be?
1
IV- Covid lockdown, DV- Environment quality, INV- GHG concentration
2
IV- Environment quality, DV- GHG concentration, INV- Covid lockdown
3
IV- GHG concentration, DV- Covid lockdown, INV- Environment quality
4
IV- Covid lockdown, DV- GHG concentration, INV- Environment quality