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

Author Question: The greatest radiation exposure for Americans comes from which of the following? (Read 35 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582

Question 1

The Cs-131 nuclide has a half-life of 30. years. After 139 years, about 3.0 grams remain. The original mass of the Cs-131 sample is closest to

149 g
37 g
74 g
260 g
89 g

Question 2

The greatest radiation exposure for Americans comes from which of the following?

medical x-rays
nuclear power plants
electrical transmission wires
industrial waste
a combination of the natural causes of radiation including cosmic rays


Related Topics

Need homework help now?

Ask unlimited questions for free

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

Kaytorgator

  • Sr. Member
  • ****
  • Posts: 345
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 29% of students answer this correctly




Shelles

  • Member
  • Posts: 582
Reply 2 on: Mar 21, 2021
Great answer, keep it coming :)


bitingbit

  • Member
  • Posts: 323
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

For a complete list of videos, visit our video library