A star's emission spectrum consists of color lines indicating wavelength of light, black lines indicating wavelength of light, and a rainbow of all the colors of visible light; one red light.
B damage the protective layers of the artery walls, which can intimately lead to heart disease.
1) temperature
2) pressure
3) concentration
4) surface area
5) the presence of a catalyst
Answer:
Always.
Unbalanced forces mean there will be an acceleration on the object, so speed will change no matter how fast its going already.
