Why was Newton's First Law of Motion a big change to the way people thought about motion?

Which gas found in the earth's atmosphere greatly impacts the daily range of temperature on earth. a) oxygen b) hydrogen c) nitrogen d) water vapor

What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b. diffusion c. endocytosis d. exocytosisc. endocytosis

Which of the following cell structures is significantly different between gram- positive and gram-negative bacteria?