Gamma Rays have a short wavelength and High Frequency
Answer:

Explanation:
Given:
cross sectional area of the bone, 
factor of up-scaling the dimensions, 
Since we need to find the upscaled area having two degrees of the dimension therefore the scaling factor gets squared for the area being it in 2-dimensions.
The scaled up area is:

![a_s=[4.8 \times 10^{-4}]\times 10^2](https://tex.z-dn.net/?f=a_s%3D%5B4.8%20%5Ctimes%2010%5E%7B-4%7D%5D%5Ctimes%2010%5E2)

Answer:
B
Explanation: HELP ME PLEASE, WRITE A ONE PAGE ESSAY TO EXPLAIN THE AUTHOR'S PURPOSE IN WRITING HOM SMART ARE ANIMAL