The answer is B, solids are held firmly in place.
Answer:
(I)
Explanation:
i. food web is a complex feeding structure, involving many food chain.
ii. a biological community of interacting organisms and their physical environment.
Two components are: Biotic(living things)and Abiotic(non-living things)
An Organism is the correct answer. It has multiple elements such as H2O or CO2