I'm on a test someone ! what is a normal force?

it acts against an object slowing it down.

it acts parallel to an object.

it acts with an object adding to its speed.

it acts perpendicular to an object.

Jessica is traveling from miami, florida, to chicago, illinois. using the map, tell one way the land will change during the second half of her trip.

Using the periodic table, complete the table to describe each atom. type in your answers

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.