Which of the following is a product of the Krebs cycle? a. oxygen
b. lactic acid
c. carbon dioxide
d. glucose

20 in the formula no3, what does the subscript 3 mean?

*will mark brainliest* certain species of are now recognized as indicators of environmental pollution. a. lichen b. mushroom c. yeast d. none of the above

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?