Which of the following activities would use a ratio or conversion factor?
O A. Using the telephone
O B. Assembling a toy model of a car
C. Driving across the city
D. Designing a scale model
SUBMIT

Draw the more stable lewis dot structure for bro2-

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle