Step-by-step explanation:

Answer:
1/2
Step-by-step explanation:
Answer:
The N value represents a standard value of energy required to penetrate 30 cm into soil by percussion drilling. It is standardized as the energy of a falling hammer from a height of 0,76 m.
Step-by-step explanation:
Answer:
irdk
Step-by-step explanation:
and irdc
Answer:
17
Step-by-step explanation:
Add 8 and 9 together .