Atoms of A decay to atoms of B with a half-life of 200,000 years. If there are 20,000 atoms of A to begin with, how long will it take for there to be 2,500 atoms of A?
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Ответ:
The correct answer is: 600,000 years
Explanation:
Half-life is the time which is essential or required to decrease a specific substance to half of its initial amount of the substance. So, if a substance has a half-life of 200,000 years then it means it takes 200,000 years to decrease or change into a new substance and remain half of its initial quantity.
half-life amount
0 20000
1 10000
2 5000
3 2500
total half-life = 3 to 2500 atoms of A
so, the time will be = 3 * 200,000 years
= 6000000
Ответ:
Predator prey relationship is shown between jaguar and turtle.
Explanation:
An organism that hunts and feeds on other organism is called a predator.While, the organism who is being hunted is the prey.For example when lion hunts a deer for food, the lion is the predator and deer is the prey.Here it is stated that jaguar feeds on turtles.Thus, the relationship between jaguar and turtle is a predator prey relationship.