KBC Question : A 2023 Report By UNESCO Recommendes a ban on which of these in schools across the world?

KBC Question : A 2023 Report By UNESCO Recommendes a ban on which of these in schools across the world?KBC Question : A 2023 Report By UNESCO Recommendes a ban on which of these in schools across the world?KBC Question : A 2023 Report By UNESCO Recommendes a ban on which of these in schools across the world?KBC Question : A 2023 Report By UNESCO Recommendes a ban on which of these in schools across the world?KBC Question : A 2023 Report By UNESCO Recommendes a ban on which of these in schools across the world?KBC Question : A 2023 Report By UNESCO Recommendes a ban on which of these in schools across the world?