Question:
Choose your answer: Is "Homo erectus is theorized to have evolved more than 1.8 million years ago, and by 1.5 million years ago had spread throughout Europe and Asia." a good answer to the question "Members of what species populated parts of Africa in a relatively short time?"
Answer:
no

Question:
Choose your answer: Is "Knowledge of the protective antigens and specific acquired host immune factors is more complete for primary pathogens than for opportunistic pathogens." a good answer to the question "What does herd immunity offer to vulnerable people when a large enough proportion of the population has acquired immunity?"
Answer:
no

Question:
Choose your answer: Is "This was a result of a rapid escalation starting on 24 August 1940, when night bombers aiming for RAF airfields drifted off course and accidentally destroyed several London homes, killing civilians, combined with the UK Prime Minister Winston Churchill's retaliatory bombing of Berlin on the following night.[clarification needed]" a good answer to the question "What was the beginning date of the aerial raids on Great Britain?"
Answer:
no