2 1.
4.
3.
Correctly label the parts of the wave.
Opoints
Trough
Crest
Amplitude
Wavelength
1
O
2
3
O
D
D
P

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

Answer asap need by wednesday morning calculate the ph of 0.036m naoh best answer will be brainliest

Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green