Answer:
who lives in Barclays what?? this makes no sense
Explanation
I believe it’s the third option
Chemically combined to make a new pure substance
Answer:
It is a chemical change.
Explanation:
When the electricity is off, the filament cools down to its original physical state. This physical process repeats every time the light is turned on and off. However, if the bulb is cracked and air is introduced, the oxygen in the air reacts with the tungsten filament which then undergoes a chemical change.
Photosynthesis takes place in the chloroplasts, that is why the chloroplasts is green. The function of this organelles is to create energy into sugar from the sunlight.
Answer:
Nitrogen is a chemical element that has the symbol N and atomic number 7 and atomic mass 14.00674µ.
Explanation:
