This crossword No. 10080 clues and answers were published on Sat 24 Aug 2002 and the puzzle can be visited by following The Guardian Quick Crossword No. 10080 link.
All Across Clues and Answers:
1-across – Organism requiring to breathe oxygen : AEROBE
4-across – Suffer : INCUR
7-across – US state, capital Salem : OREGON
8-across – Compose – cosmetics : MAKEUP
9-across – US state, capital Columbus : OHIO
10-across – Colleague – associate : COWORKER
12-across – US state, capital Jackson : MISSISSIPPI
17-across – US state, capital Denver : COLORADO
19-across – Impertinent : RUDE
20-across – Hardship : RIGOUR
21-across – Corkscrew shape : SPIRAL
22-across – Divide into two equal parts : HALVE
23-across – Cloth from the soft hair of a goat : ANGORA
All Down Clues and Answers:
1-down – Founder of the Hebrew people : ABRAHAM
2-down – Areas : REGIONS
3-down – Type of porcelain : BONECHINA
4-down – US state, capital Boise : IDAHO
5-down – Quick dental visit : CHECKUP
6-down – Statement – sound of a gun firing : REPORT
11-down – US state, capital Madison : WISCONSIN
13-down – Against the law : ILLEGAL
14-down – Covered entrance to a building : PORTICO
15-down – ___ Jones, Harrison Ford hero – US state : INDIANA
16-down – Wither from exposure to heat : SCORCH
18-down – Choice of roads in an itinerary : ROUTE
This crossword has in total 25 where 13 are across and 12 are down.