GENERAL KNOWLEDGE

Detailed explanation-1: -The thick brown or black substance that remains after most of the organic litter has decomposed is called humus. Earthworms often help mix humus with minerals in the soil.

Detailed explanation-2: -Humus has a characteristic black or dark brown color and is organic due to an accumulation of organic carbon.

Detailed explanation-3: -The word hummus comes from Arabic: , romanized: ḥummuṣ ‘chickpeas’. The full name of the prepared spread in Arabic is ḥummuṣ bi ṭaḥīna ‘chickpeas with tahini’.

Detailed explanation-4: -In biology, detritus (/dɪˈtraɪtəs/) is dead particulate organic material, as distinguished from dissolved organic material. Detritus typically includes the bodies or fragments of bodies of dead organisms, and fecal material.