How is ammonia produced by bacteria in the soil

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.

What if the yeast were extremely active and produced more than 100ml gas. would you know? why/why not