A1marshortheathanie A1marshortheathanie

15-04-2016
Chemistry

contestada

The half-lives of isotopes are all measured in millions of years.
a. True
b. False

Respuesta :

anniesh7 anniesh7

16-04-2016

B. False, some isotopes have short half-lives such as 8 days

Answer Link

Otras preguntas

So I really need help with my pre algebra. Expand x(4-3.4y)

Base your answers to questions 70 through 74 on the passage and data tables below, on the map in your answer booklet, and on your knowledge of Earth science. Th

Identify the expression as an equation containing fractions, a fractional equation, or a proportion 45x-24/4=10x-7/2

Which expression is equivalent to the given expression? 10q + 5 5q + 5q + 5 10q + 5 + 5 5q + 10 5q + 5

3/5 of a conductors club went on the last camping trip. If 39 people went on the trip,how many people are in the club. Round it to the nearest whole person

how go monopolies affect the price of goods

What happens when the Logan siblings seek revenge on the bus driver? A. The bus gets stuck in the mud and the students have to walk home. B. The bus driv

Help me on this!!!! give me hints

What is 4 plus 1 out of 4 plus 0.75

Base your answers to questions 75 through 79 on the map and table below and on your knowledge of Earth science. The map shows the area where the Battenkill Rive