HELP A student reads the length of an object from a ruler as 7.2 cm, and his teacher says that he is missing an estimated place value, and should have a measurement like "7.20 cm".

What is the length (in cm) of the smallest increment on this ruler? Meaning "what is the distance between the tick marks".

Which of the following is an example of a parasite?

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.