Which one of the following is an example of an indicator? A. High Concentration
B. Electricity
C. Litmus Paper
D. Presence of H ions in solutions

If vx = 7.00 units and vy = -7.60 units, determine the magnitude of v⃗ . determine the direction of v⃗ .

What determines the amount of inertia an object has

Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?