The nfipa 704 system uses a numerical value between and to indicate the level of hazard for that particular chemical. a) 1; 100 b) 0; 4 c) 1; 20 d) 0; 9

Css3 is the latest evolution of the cascading style sheets language and aims at extending css2.1. it brings a lot of new features and additions, like rounded corners, shadows, gradients, transitions or animations, as well as new layouts like multi-columns, flexible box or grid layouts.credits to medium for making this answer credits to google for copying this answercredits to me for putting this answer on your question

Ithink the answer is slide show