Question

1.
absolute time
2. relative time
spontaneous disintegration of the
atoms of certain isotopes into new
isotopes
dating a rock or mineral by
measuring the proportions of an original
radioactive material and its decay
product
geologic time measured in a
specific duration of years
placing events in chronological
3. radioactive decay
4. radiometric dating
order without reference to their ages
measured in years

Answer 1

Answer:

option 4

Explanation:

I really don't know sorry

Answer 2

Answer:

1. absolute time

2. radioactive decay

3. radiometric dating

4. relative time

Explanation:

1. geologic time measured in a specific duration of years

 2. spontaneous disintegration of the atoms of certain isotopes into new isotopes

3. dating a rock or mineral by measuring the proportions of an original radioactive material and its decay products

4. placing events in chronological order without reference to their ages measured in years