Question

Which of the following could be a method used to estimate the age of an ancient rock?

To find out its mineral composition
To find the age of the fossils trapped in it
To calculate the amount of C-14 atoms left in it
To calculate the number of sediment layers in it

Answer 1

@jhonyy9

Answer 2

any idea ?

Answer 3

I think c tho im not sure

Answer 4

yes i think it same too

Answer 5

ye

Answer 6

thx

Answer 7

so its c

Answer 8

np. my pleasure

Answer 9

its c right?

Answer 10

hello

Answer 11

@jhonyy9

Answer 12

What is the disadvantage of using models to study the food web?

Observations are made from inside the system.
Actual interactions are affected by the models.
They cannot show all the interactions taking place.
They cannot help in making predictions about a population.

Answer 13

@jhonyy9 ti posted the question here it is

Answer 14

sorry not here post it please like a new question

Answer 15

oki I posted it @jhonyy9