Answer:
In addition to aluminium, the main materials in duralumin are copper, manganese and magnesium.
Answer:
It has been approximately 6 hours after death.
Explanation:
This is because between 2-6 hours after death, the body starts becoming stiff from top to bottom, then spreading to the limbs. Since there is only rigor in his upper body, that would mean that with normal temperature and body conditions, it would be 4 or 5 hours after death. But since he is obese and in cold temperature, there is slower progression of rigor, leading to the maximum time in the first rigor mortis phase, 6 hours.
Foliation occurs when the pressure squeezes the flat or elongated minerals within a rock so that they become aligned.
Answer: C
Explanation: I got it right.
