A mother giraffe with its young calf standing beside her .

What does the first stage of a multistage rocket do?

Across 2. 9 words 3. 5 words 5. 8 words 6. 8 words 8. 9 words 9. 10 words 10. 5 words13. 10 words15. 10 wordsdown 1. 5 words 3. 13 words 4. 5 words7. 4 words11. 13 words12. 6 words 14. 6 words

Ased on the information in "edward jenner and the history of smallpox and vaccination,” after concluding that cowpox could be used to eliminate smallpox, jenner