They were created with stone and wood and sometimes even bones, I hope this helped!
Answer:
If you are looking for the answer, for the question.
Earthquakes trigger tsunamis when the seismic activity causes the land along fault lines to move up or down
How many half lives have elapsed?
actually the formula is like this
A=P(1/2)^(t/h)
P=iniital amount
t=time
h=half life
A=final amount
so
hmm, percent
so P=1 then
A=1(1/2)^(144.6/24.1)
A=1(1/2)^6
A=1/64
A=0.05625
so 5.625% is left
Both involve chemical bonds breaking
Baking bread because of the presence of yeast. Hope that helps!