The element starts off as 100%. half of 100% is 50% and half of 50% is 25%. the element has emitted 2 times the half life which is 10,000 x 2 = 20,000
the fossil bone is 20,000 years old
Answer:
The field of view is widest on the lowest power objective. When you switch to a higher power, the field of view is closes in. You will see more of an object on low power.

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Microscope Notes
The answer to your question is,
A. sewage treatment plant
-Mabel <3
Capture myopathy is a heart condition in animals specifically in tamarins. Dr Natterson-Horowitz studied the condition and discovered that it is similar to cardiomyopathy which is a heart condition in humans. She also studies some conditions that are parallel to both humans and animals.<span />
