Answer:
alpha decay
Explanation:
an unstable element is radioactive in nature.
Polonium is a chemical element with a large, unstable nucleus.
the most stable isotope of Polonium is Polonium-209, which typically undergoes an alpha decay to form lead-205 and the emission of an alpha particle.
Answer:
B. how fast the particles are moving
Explanation:
Temperature measures the average kinetic energy of system as result of the thermal - heat energy present in the reaction or a body.
Often times, temperature is the degree of hotness or coldness of a body and this translates to an increase or decrease in the molecular speed.
- Number of particles in a body is the mass of the body.
- How tightly packed the particles are corresponds to the density of the body.
Rocks. Because the air water and soil are part of carbon.
Answer:
the population of grasshoppers will decrease
Explanation:
a food source is becoming more and more limited thus, its predator will also start to die out due to starvation
