The fire pentagon adds which two elements related to dust explosions?

The field of study focused on the nature and science of fire is called:

Grounding metal structures reduces:

Fire extinguishers are rated by:

Photoelectric smoke detectors work by:

The upper explosive limit (UEL) means:

Foam deluge fire suppression systems are best used for:

Class D fires involve:

Why was the Mexican Cession a significant event? Select two

In 100-150 words discuss at least two main causes that led up to the Mexican America War. Be sure to reflect its significance of “causing” war. (Please note, failure to complete this short answer will result in a Zero for this quiz.)