Answer:
change in temperature
change in color
noticeable odor after reaction has begun
formation of precipitate
formation of bubbles
Generally, the sun observes a solar cycle of eleven years. In this cycle, there are fluctuations in the activity, such as the ejected levels of solar radiation, and in the appearance of the sun, such as changes in the amount and size of sun spots, solar flares and other phenomena that occur on the sun's surface.
These changes also affect phenomena on earth, especially the auroras.
B. is the answer because the nervous system send nerves down your body telling your hand to move its a reaction to the pain of the hotness your felling
Answer:
volume = 0.285 L
Explanation:
Henry constant is given as
Where C is concentration
P is atmospheric pressure
when atmospheric pressure 4 atm
In 5 litere blood , moles of N_2 
At surface moles 
Moles of N_2 release = 0.014 - 0.0028 = 0.0112
Mass of 
T = 37 + 273 = 310 K
volume = 0.285 L
No Spanish sorry about that
