Step 1: Contextualize Human Migration.
Modern humans migrated out of Africa and encountered Neanderthals already present in Europe.
Step 2: Interpret Genetic Evidence.
The higher proportion of Neanderthal DNA in Europeans suggests that interbreeding occurred after modern humans arrived in Europe, where Neanderthals were established, supporting option (B).
Here are two analogous groups, Group-I and Group-II, that list words in their decreasing order of intensity. Identify the missing word in Group-II.
Abuse \( \rightarrow \) Insult \( \rightarrow \) Ridicule
__________ \( \rightarrow \) Praise \( \rightarrow \) Appreciate
The 12 musical notes are given as \( C, C^\#, D, D^\#, E, F, F^\#, G, G^\#, A, A^\#, B \). Frequency of each note is \( \sqrt[12]{2} \) times the frequency of the previous note. If the frequency of the note C is 130.8 Hz, then the ratio of frequencies of notes F# and C is: