This topic contains a solution. Click here to go to the answer

Author Question: If a tree dies and the trunk remains undisturbed for 13989 years, what percentage of original is ... (Read 101 times)

xclash

  • Hero Member
  • *****
  • Posts: 681

Question 1

Identify the missing particle in the following nuclear equation:
              Al + __________ → Na + α

n
n
e
e
2 n

Question 2

If a tree dies and the trunk remains undisturbed for 13989 years, what percentage of original is still present? (half-life of = 5730 years)

81.6%
18.4%
36.8%
27.6%
2.44%


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by xclash on Mar 21, 2021

chevyboi1976

  • Sr. Member
  • ****
  • Posts: 344
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 56% of students answer this correctly




xclash

  • Member
  • Posts: 681
Reply 2 on: Mar 21, 2021
Gracias!


nothere

  • Member
  • Posts: 324
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

For a complete list of videos, visit our video library