Answer:
Choose most often sites that have web addresses that en in .org. know the purpose of the site. check the dates
Answer:
Your stomach lining protects you against burns.
Hope this helps! ^^

Magnetic resonance imaging (MRI) is a medical imaging technique used in radiology to form pictures of the anatomy and the physiological processes of the body. MRI scanners use strong magnetic fields, magnetic field gradients, and radio waves to generate images of the organs in the body.

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Answer: Bone Mass/Density
Explanation: Resistance exercise can stimulate and activate bone cells to strengthen even build more bone mass. More technical hormones play a role too, but for simplicity strength training can slow bone loss or even rebuild bones.