D. a warm front causes rain showers to occur over a particular area for several days
A=P +N
A=13+14
A=27 this the answer
D, because C12 means there's 12 atoms of carbon.
The primary function of chloroplast is to conduct photosynthesis, which is the process plants use to convert light energy into chemical energy that can be released to fuel the organisms' activities.
Answer:
When carbon is burned in air, it forms carbon dioxide gas and releases a large amount of heat and some light:
C+O2= CO2+ heat+ light
