Apply the RM process to situations where serious injury might occur is not a RM (Risk Management) principle.

Risk Management :: A decision-making process for managing day-to-day schedules when there are conflicts.

The principles of joint operations are formed around the traditional principles of war.

The other three additional principles include restraint, perseverance, and legitimacy which are relevant to how the Armed Forces of the United States use combat power across the range of military operations.

The number of protons is equal to the number of electrons. That is the number of positive charges is equal to the number of negative charges.

In scouts, the military and most outdoor books or schools teach the COLDER principal. It is a great acronym for caring and using you clothing.

C - keep your clothing CLEAN. Dirt can break down the fibers of your clothing.

O - don't OVERHEAT. Sweat can lessen the effectiveness of clothing.

L - wear you clothes LOOSE and in LAYERS. Makes your system versatile.

D - stay DRY.

E - EXAMINE your clothing. Look for worn or damaged areas of you clothing.

R - REPAIR any damage that is found.

The reciprocal of a negative number is always a negative number. So that the number and its reciprocal multiply to 1. 

All real numbers except 0 have reciprocals.

France joined the Triple Entente because it needed protection from Germany.

France felt very heavily the aggression from Germany (a country which it shared a border with), especially over the tension Alsace and Lorraine and the constant switching over of these two counties.

It was also worried about the rapid military advancement in Germany and France wanted to ally itself with Russia and Great Britain.

Resistivity :

Resistivity is a measure of the resistance to the flow of electrons. 

Conductivity :

Conductivity is just the inverse of resistivity, σ = 1/ρ, where σ is conductivity and ρ is resistivity.

Example:

Think of a pipe and water, the bigger the pipe, the easier water can flow and thus the lower the resistance. 

RNA is not a lipid among the given options.

A lipid is a substance of biological origin that is soluble in nonpolar solvents. It comprises a group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins (such as vitamins A, D, E, and K), monoglycerides, diglycerides, triglycerides, and phospholipids.