B) hydrogen gas burns in air.
explanation: the rest are physical properties.
Hello,
Here is your answer:
The proper answer to this question is option C "stigma".
Here is how:
The stigma is responsible for producing pollen in a plant.
Your answer is C.
If you need anymore help feel free to ask me!
Hope this helps!
That’s a hard one, but honestly i would go with a.
I believe it would be A. Equal out in both directions.
Answer:
the action or process of filtering something.
