Answer:
a. each particle of matter vibrates about its normal rest position and along the axis of propagation,
b. Liquids
C. because liquids have the right amount of space between them for the wave to pass through quickly
Explanation:
The best way is to add more security. It can be done by using different methods like strengthening passwords with numeric and character symbols. <span> A</span><span>void signing in laptops and computers that are not yours, so your accounts wouldn't be automatically saved. Keep your gadgets and computer free from viruses. Lastly, do not tell your emails and passwords to anyone.</span>
To focus and direct the organization itself.
Allergies. Allergies can trigger inflammations and dry skin.