Answer:
As a substance melts, and goes from a solid to a liquid state, the kinetic energy of the molecules increases, and the molecules move faster, and they separate further and further away from each other. The intermolecluar forces holding the molecules together become weaker. This is why a liquid can take fill the shape of its container, whereas a solid has a fixed shape.
Explanation:
take your notes man
Answer a is the correct one
I'd say he ways about 35 kilograms, but I'm probably wrong, xD
Answer:More of the radioactivity is lost during the first half-life than in later half-lives.
Explanation: Passed test with 98
