Answer:
i think it is the middle one
B
If a burning splint is placed in a container and burns more brightly in the presence of some gas already in the cylinder, that gas would probably be Oxygen.
Oxygen is the main component of air that we need to breathe. It is the most commonly available oxidizer. Besides combustion, it plays many roles in our life such as; the food we eat requires oxygen which helps in digestion and absorption of nutrients by the cells.
Answer:
flower is the part of a plant that is bright in colour and provides the pollen that is moved from plant to plant for pollination
Answer:
b if wrong sorry
but I am sure answer is b