Protons are positive
electrons are negative
neutrons are neutral
If an atom gains an electron, it will have a negative charge.
Photosynthesis:
1) Reactants = CO2, Water, Sunlight
2) Products = O2, Glucose,
Cellular Respiration:
1) Reactants = O2, Glucose
2) Products = CO2, Energy (in ATP)
Hope this helps!
Answer:
D. One is polar, and one is nonpolar
Explanation:
It would be about 2,400 kilometres long, becuase of the presence of 300 to 500 alveoli.