Top part puzzling me this week. Please help
1a Toboggan (7) t-----s (not sure if letters are correct)
1d Skeletal (4) I have thin?
8a Muslim nobleman (5) i----
2d Scriptures (5)
3d Herbaceous plant (7) last letter A
10a Aggressiveness (12) -----c------
7d Exchanged goods (8) second last letter E