Question

answer it please someone

Answer 1

I think it about the waste that human through in oceans and lakes which causes damage to marine life .

The chemicals that is thrown from industries into these ocean or lakes

Answer 2

first one is colour discrimination and second one is caste system discrimination


a.) discrimination can happen on basis of colour , class , gender etc Treating dark skinned people are different from white skinned people . Has all give more important to
fair people's and not to black skin coloured peoples


b.) Discrimination in India , the beginning the society was divided into different caste like

brahmans : they are in highest caste and all give respect to them

kshtriyas :they are warriors and soliders

vaisyas: they are merchants and professionals

sudras: they are in lowest caste and they are labourer and servants and they are also 'untouchable'.

hope it's help you

please mark me as brainliest