The periodic table is arranged by various patterns

Ppcc assigned a story board on eg.ppcc.edu about a post-apocalyptic world called the books of wisdom. i was wondering if anyone had any advice on how to do well. also is there a way to change you name?

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force

You have a poultry farm and a poultry-processing unit. which product can you make using the waste products from your processing unit?