Answer:
2000 years
Explanation:
A radioactive molecule will continuously decay and turn into another molecule. This nature of the radioactive molecule makes them can be used to estimate the age of an object. Half-life is the unit of time needed for radioactive molecules to decay to half of its mass. The formula for the mass remaining will be:
Where
N(t)= number of the molecule remains
N0= number of molecule initially
t= time elapsed
t1/2= half time
We have all variable besides the half time, the calculation will be:
3= 6000/ (t1/2)
t1/2= 6000/3= 2000
The half-life is 2000 years
Answer:
Iodine
Explanation:
Hope this helps. Think about me, when giving out brainiest.
There are 5 steps:
1- measure the mass of the container
2- measure the volume of the liquid
3- measure the combined mass of the liquid and the container.
4-determine the mass of the liquid alone
5-divide the mass by the volume.
Answer:
Colorado river
Explanation:
The Grand Canyon is usually referred to as the large and beautiful geological landform that is formed by the continuous carving of the rocks due to the flow of the Colorado River through the canyon. It is near about 450 kilometers long and has a width of about 6.5 to 30 kilometers. This canyon covers a large area in the north-western part of Arizona in the United States.
The main agent for the cutting down of rocks here is the water. According to the research, this canyon is about 70 million years old, and the river Colorado has been flowing through this canyon from about 5-6 million years back.
I'm not exactly sure which one but I do know that an acid and a base react in a aqueous solution to form water, so i would probably eliminate the ones that aren't aqueous solutions.
