The options for the first one is on the picture ^ witch one would it be ?

Also the second option has

•the archaeopteryx evolved from birds

•the archaeopteryx came after dinosaurs but before birds

•the archaeopteryx evolved before nonflying dinosaurs

Witch one of those 3 ^would it be for the second one

this protocol provides a detailed procedure for total protein extraction for western blot analysis from achieved samples following trizol isolation of rna.

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.