In the reaction between calcium carbonate and hydrochloric acid: a) What is the reactant containing the element oxygen? 5) What are the two products that contain the element oxygen? c) What happens to hydrogen atoms during the dissolution of water? plz plz help

i'm guessing this is from edg enuity so the answers would be, from top to bottom,

theodor schwann

matthias schleiden

robert hooke

rudolph virchow

anton van leeuwenhoek

very

the answer is z.

the human body has five levels of organization. level 1: cells. cells are the basic units of life and form the first level of organization. cells in the human body have specific functions. examples include nerve cells, blood cells, liver cells, and so on.