The answer u are looking for is b
Answer:
-Grignard reagents are strong bases (third choice)
-Grignard reagents are strong nucleophiles ( second choice)
Answer:

When we compare the two solids, we see that quartz is a crystalline solid with relatively long-range order and glass is amorphous solid with short range order and has a tendency to flow. When quartz is heated, it can be easily converted into glass.
Answer:
Y is a gamma ray in a nuclear equation, which y equals 0.