Answer:
A.
Explanation:
It's sugar or glucose and oxygen
The organ that is important in processing substances after being absorbed during digestion is the liver.
Answer:Short
Explanation:Also I feel so bad for you.
Answer:
you should always wash your hands regularly and avoidance of shaking hands
Answer:
These microbes conduct photosynthesis: using sunshine, water and carbon dioxide to produce carbohydrates and, yes, oxygen. In fact, all the plants on Earth incorporate symbiotic cyanobacteria. For some untold eons prior to the evolution of these cyanobacteria, during the Archean eon, more primitive microbes lived the real old-fashioned way: anaerobically. These ancient organisms—and their "extremophile" descendants today—thrived in the absence of oxygen, relying on sulfate for their energy needs. But roughly 2.45 billion years ago, the isotopic ratio of sulfur transformed, indicating that for the first time oxygen was becoming a significant component of Earth's atmosphere,
