Most accidents for excavations occur in trenches what feet deep

5-15 feet, is the right answer.

Explanation:

Excavation is the action of digging something, notably an archaeological section. There are many risks involved with the process of Excavation. The most frequent severe danger is a cave-in. Operators may be killed or severely hurt if the sides of a trench or another digging collapse. Such collapse takes place through Vibration from construction machinery or traffic in the construction field that presents the soil come separately. However, most accidents for excavations happen in trenches at 5-15 feet deep.

special interest groups must step back and let the process work itself out a representative can amend it at several points in the congressional staffers must do homework and report to the floor on what they 've learned

the correct answer option is: weapons.

explanation:

tensions rose as the two opposing superpowers competed for 'weapons'.

referring to the cold war (1945-1991), the two superpowers, usa and ussr, experienced a phase of struggle and conflict with each other. these two superpowers considered each other as a threat to their survival and thus opted for policies to strengthen their positions.

the two superpowers never went to war with each other directly but competed for weapons to preserve their positions.