Because you are missing information i'm going to give you meters converted into every sensible unit:
1.69 meters = 169 centimeters = 1690 millimeters = 0.169 kilometers
Answer:
c
Explanation:
sorry if im wrong my apolgies but i think c cus thats the only one that says equal amounts of something
like to test a drop of each so its balanced
Answer:
Increasing the concentration of a substance will increase the rate of reaction because in a conc substance the particles are more clustered together and this causes more effective collisions thus increasing the rate of reaction and when the substance isn't concentrated the particles aren't really close and this reduces the rate of reaction because alot of collisions can't be made compared to that of the concentrated substance
