15POINTS What is acceleration? O A. A change in speed B. A change in speed or direction O C. A change in force O D. A change in force or energy​

Who is better, messi or cristiano, i need this for a chemistry class. asap

**40** points asapessay questions (10 points possible) clear image of next, create your own scenario. it can be one of your own real experiences or one you make up. use imagery in your writing to give your instructor a the setting and an action taking pace in your writing explain the structure and functions of the skin at work in your scenario. !

Which part of a feedback mechanism is able to monitor the conditions outside of cells and usually uses nerve cells to relay this information to an intergrating center