Yes it is a exothermic reaction.
Answer:
<h3>The answer is 113.1 cm³</h3>
Explanation:
The volume of a sphere is given by
where
r is the radius of the sphere
From the question
r = 3 cm
We have
We have the final answer as
<h3>113.1 cm³</h3>
Hope this helps you
You would place it in orbit around Earth, as most X-rays are absorbed by the atmosphere, so you would want the detector outside of the atmosphere to accurately detect the X-rays.
The answer is a sound wave.
These could all go either way, hardness and other special properties are what I'm guessing would be the most accurate in determining the kind of material.
luster, cleavage, streak, and color can all be affected by other factors. but I guess cleavage would also be accurate. so I guess hardness special properties and cleavage would be the most reliable.