Question

Use the following ions to determine the formulae of the compounds.

ions OH– Cr3+ Ba2+ SO4

2–

compounds (i)chromium(III) sulfate

(ii) barium hydroxide​

Answer 1

It is necessary to classify organisms because:

Classification allows us to understand diversity better. It helps in the identification of living organims as well as in understanding the diversity of living organisms. ... It is essential to understand the inter-relationships among the different groups of organisms.