7down - one who behaves or dresses to impress others 7letters P**E*R 19down - Facetious word for an actor 6letters M*M**R 23 across - inner portion of an organ or tissue 7letters **D*L*A
If alpha particles cannot even penetrate paper, how can the alpha particles from inside a radioactive material that emits alpha particles escape from it?
10d and15a - I have Gipsy Moth for 10d but effloresce for 15a does not fit in (at the end). Can anyone help.
Also 16d Submerged Rocks? answer please r?e?s