Scientist discover that stars in the universe are mostly composed of which elements

Which organisms have pharyngeal arches that develop from all three germ layers and go through the same development stages as embryos? 1.bird 2.ladybug 3.starfish 4.snake

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.

Select the correct answer from each drop-down menu proteins are