Alpha particles are relatively heave and can be stopped by a sheet of paper.
Answer:
C. Shape
Explanation:
Did the quiz! & galaxies are classified by shapes called "elliptical, spirial, & irregular"
Good luck :)
Answer:
1.2 g/ ml
Explanation:
The volume of the mineral = increase in volume of the water whuich is 16 - 8 = 8mls.
Therefore the mineral's density = 9.6 / 8
= 1.2 g/ ml answer