What is the best definition of a fixed variable cost? an expense that is optional but the amount stays the same each month O expense that you must pay each month but the amount can differ expense that you must pay and is the same amount each month an expense that is optionat, but the amount changes each month

Ican answer some, but not all! 2.) sensory info not being transmitted to the brian will result in a lack of responses that could be life saving. 4.) sensory adaption will helo people recognize certain images or objects that will give them a clearer understanding and expand their knowledge. them also become familiar with their surroundings. 8.) light the retina detect an object as it passes through the pupil and into the retina. 12.) cones in the retina us see color. they us see red. blue and green

Iam pretty sure it is c.

The marshall plan was designed to europe rebuild after wwii

Combine the and see what you like better!