WIN! Brilliant Ideas from Wonderful Women

It’s International Women’s Day 2019 and to celebrate we’ve got three copies of this super cool book to give away! To enter this competition simply answer this question…

Which famous female scientist discovered that Earth has an inner core, as well as a mantle and outer core? 
1. Inge Lehmann
2. Katherine Johnson
3. Agnes Arber

Answer in the comments box below by midnight on Sunday 10/3/19 👇🏾
(Hint: the answer is in the QUAKE RATTLE AND ROLL issue of Whizz Pop Bang!)