Why might stabilisers be useful to add to black uPVC guttering that will be used on the outside of buildings

Who invented the tv .hint it was 2 people

Aisha has finished working on a word processing document that contains 15 pages. she has added some special elements in the first three pages, page 9 and 10, and page 15 from the document. she wants to print only these pages to see how they look. which option is the correct way to represent (in the print dialog box) the pages that aisha wants to print?

What role do chromosomes play in inheritance?