Answer:
1:both B&D are properties of solid
2:conductivity as other factors like lustre needs continuous supply of photons of light
3:D due to it's covalency
Molarity is defined as moles per liter.
Answer: mercury
Explanation: I looked up the answer to your question.
Answer:
He realized he needs to have the upper body and lower body held in place and needed the buckle as far down beside the person's hip so it could hold the body properly
Explanation: ''I realized both the upper and lower body must be held securely in place with one strap across the chest and one across the hips,'' Mr. Bohlin once said. ''The belt also needed an immovable anchorage point for the buckle as far down beside the occupant's hip, so it could hold the body properly during a collision.