Ibought a beautiful pitcher and eight glasses whete does comma go

The image shows embryos of three vertebrate classes

List two modern organisms that have pentameral symmetry

Suppose you use three different scale to weigh a bag of oranges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of oranges is 2.153 lb. which of the following best decribes these results?