Answer:
C
Explanation:
As air passes through our own body causing respiration
Answer:
change in temperature
change in color
noticeable odor after reaction has begun
formation of precipitate
formation of bubbles
Ammonia is a hydride,(Nitrogen hydride). It is also a base and <span>because it is a soluble base it is an alkali</span>
Answer:
Metamorphic rocks are caused by heat and pressure