The Guardian Quick puzzle clues 2021 Oct 12

• Able and willing to adjust to new conditions Crossword Clue
• American biscuit Crossword Clue
• Discarded Crossword Clue
• Drop dead (informal) Crossword Clue
• Edible fat emulsion — fighter who uses his head? Crossword Clue
• Guarantee Crossword Clue
• I appear on trip (anag) — wrong Crossword Clue
• Leo, for example Crossword Clue
• Letter (from St Paul?) Crossword Clue
• Maybe Crossword Clue
• Nitwit (informal) Crossword Clue
• Not clear Crossword Clue
• One of two US presidents Crossword Clue
• Perfunctory wash (informal) Crossword Clue
• Pristina is its capital Crossword Clue
• Quorum for a crowd? Crossword Clue
• Radioactive element used in nuclear reactors — trio hum (anag) Crossword Clue
• Remaining Crossword Clue
• Reverse or modify a previous opinion Crossword Clue
• Revise and/or correct Crossword Clue
• Scope Crossword Clue
• Signified Crossword Clue
• State categorically Crossword Clue
• Steady on there! Crossword Clue
• Stone with coloured bands Crossword Clue
• Woodwind players Crossword Clue