lol Kitty, it's only been an hour. I've got goosegrass and nettles to pull as well as IDing plants.
yes, cyclamen seed pods with their curly stalks. Hederifolium I should think
No and No
Does the cress look OK? you're not going to eat the paper
Something you didn't put there but has moved in on its own. a weed
They're the early dropped ones, you need to wait til late summer/autumn when the seeds are ripe. The little flat bits at the base are where the seed would have grown if it had stayed on the tree.
That's an interloper
I'd put them on pots (more depth than a seed tray) of gritty compost and leave them outside, somewhere shady, til they germinate
When and where did you find them Archie.
They're not the ripe seeds of anything. They are an acer though