How does the matter and energy in a system naturally change over time?

Which of the following colors are part of the visible spectrum? A. violet B. blue C. red D. all of these

Although these quantities vary from one type of cell to another, a cell can be 2.2 micrometers in diameter with a cell wall 40 nm thick.

What will atoms do in a chemical reaction?

What is the temperature of a system in thermal equilibrium with another system made up of ice and water at 1 atm of pressure? a. 0°F c. 0 K b. 273 K d. 100°C

Which of the following is true about spinal reflex

Which of the following can be determined by studying the spectrum of a star? the chemicals in the atmosphere of the star the motion of the star the temperature of the atmosphere of the star all of the above

How do I find the specific heat of an object?

In order to be considered scientific, evidence must be:

An unknown material has a mass of 5.61 kg, and its temperature increases by 0.124°C when 1320 J of heat are added. What is the specific heat of the material? (Unit = J / (kg*C))

What is the speed of a 1.0 * 103-kilogram car that has a momentum of 2.0 * 104 kilogram∙meters per second east?