![subject](/tpl/images/cats/geografiya.png)
Geography, 14.11.2020 07:00 michell200428
If a rock sample has a half-life of 10 years, and has 100 atoms of parent materi today, how many half-lives will have passed before it has only 25 atoms of parent material left Explain your reasoning
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Geography
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 22.06.2019 12:50
5. how is transported soil different from residual soil? o a. it forms on unconsolidated materials. ob. it develops on bedrock. o c. it has been moved from another location. d. it transports other materials.
Answers: 3
![question](/tpl/images/cats/geografiya.png)
Geography, 23.06.2019 06:00
Suppose you had to resolve the problems believed to be caused by distance decay in russia. what would you suggest?
Answers: 1
![question](/tpl/images/cats/geografiya.png)
Geography, 23.06.2019 15:50
A2 cm object is 10 cm from a convex lens that has a focal length of 4.4 cm, the image is 8cm from the lensz the height of the image, to the tenths place is
Answers: 3
You know the right answer?
If a rock sample has a half-life of 10 years, and has 100 atoms of parent materi today, how many hal...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 13.03.2021 01:10
![question](/tpl/images/cats/mat.png)
Mathematics, 13.03.2021 01:10
![question](/tpl/images/cats/mat.png)
Mathematics, 13.03.2021 01:10
![question](/tpl/images/cats/istoriya.png)
History, 13.03.2021 01:10
![question](/tpl/images/cats/himiya.png)
Chemistry, 13.03.2021 01:10
![question](/tpl/images/cats/mat.png)
Mathematics, 13.03.2021 01:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/es.png)
Spanish, 13.03.2021 01:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 13.03.2021 01:10
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/health.png)
Health, 13.03.2021 01:10
![question](/tpl/images/cats/mat.png)
Mathematics, 13.03.2021 01:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 13.03.2021 01:10
![question](/tpl/images/cats/himiya.png)
Chemistry, 13.03.2021 01:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/nemec.png)
German, 13.03.2021 01:10