Answer:
Argon
Explanation:
Argon is actually used to determine the age. It's called potassium-argon dating b/c when volcano erupts the rocks in it contain potassium. The potassium slowly decays and produces argon. Scientists measure how much argon is in a given volcanic rock and do math backwards to figure out how many potassium atoms were needed to produce the given amount of argon. We already know the rate at which potassium decays so then they put two and two together to find the age.
Here's a link with some cool info on it:
https://divediscover.whoi.edu/archives/hottopics/volcano.html
answer is amount of mass in a certain volume
Answer:
A. The reindeer population exceeded its carrying capacity.
Explanation:
If someone pours salt water on a plant that is supposed to receive fresh water, the effects on the plant are swift and severe, beginning with the draining of existing water out of the plant cell.<span> Then, the cell membrane separates from the cell wall in a process known as plasmolysis. Ultimately, the plant shrivels up and no longer thrives</span>
Answer:
The following ratios used to determine ones debt-to-income ratio is : d. 28/36
Explanation:These ratios mean that a person have enough income to handle all of his/her debts. People who involved themselves in the world of finance known as the 28/36, which stated that someone should spend maximum of 28% of gross income on total housing expense and maximum 36% on total debt service
