Very grateful for all help with these clues please.
10ac: “Blue edges for stone axes (4).”
16ac: “The same result? Not quite (4).”
22dn: “Heading north, one on a wild ox (4).”
24ac: “They May be light, using oxygen for a while (6).”
10a Sexy - 's(ton)e' (edges) + 'XY' (axes; on a graph) 16a Even(t) 22d Anoa - 'a (one) on a' (heading north; up) 24a Operas - 'O(xygen) per (for a) as (while)'
10a Sexy - 's(ton)e' (edges) + 'XY' (axes; on a graph)
16a Even(t)
22d Anoa - 'a (one) on a' (heading north; up)
24a Operas - 'O(xygen) per (for a) as (while)'