12-01-2023
Biology

contestada

Page 1Page 2
Suppose the number of potassium-40 atoms in a mineral can be modeled using 100 pennies.

Half-life Number of pennies
0 100
1st 50
2nd 25
3rd ?
How many atoms will there most likely be at the third half-life of potassium-40 in this model?

A model rock layer had 50 pennies (atoms of potassium-40).

How old is the rock layer?

Respuesta :

Otras preguntas

Jakie uprawnienia posiada prezydent RP?

Which relations are functions and which are not functions? Column A Column B 1. {(3, 2), (6, 4), (9, 6), (12, 8)} 2. {(2, 3), (2, 5), (3, 6), (9, 4)} 3. {(

What are some possible advantages of having only two powerful political parties?

6 Neighbors share 4 pieces equally

What is the steepness of a line on a graph called

Why did Thomas Jefferson order an embargo against Great Britain in 1807?

Which words in the sentence form the participial phrase?The label stapled to the photograph needs corrections as soon as possible.

Why do we crush solids before putting them into a solvent?

tiffany pays $40 for 160 minutes of talk time on her cell phone. Hpw how many minutes of talk time does she get per dollar?

In northern Canada the people of ___________________ have their own local government.