Mechanical Waves What are mechanical waves? What is a transverse wave?
What is a longitudinal wave?
Seismic Waves Describe a P wave:
Describe an S wave:
What is an epicenter?
Interference and
Diffraction
What is interference?
Constructive interference:
Destructive interference:
Diffraction:

i don't know. if i were you, i would search it up online : d

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )