Answer:
Hydrogen
Explanation:
Hydrogen combines with carbon, creating a vacuum like effect
The answer is A. hope it helps
The sickle cells have membranes stretched by their usual shape that becomes porous and leak nutrients that the parasite needs to survive and the faulty cells eventually get eliminated quite fast by the organisms destroying the parasite among the way
The answer is most likely: 'with an abundance of plant life without oxygen in the atmosphere '. The atmosphere contained almost no free oxygen during the Archean. It does not appear as if this epoch had an abundance of plant life, but rather mats of single-celled photosynthesising cyanobacteria. So I am not completely sure that either of the given choices are correct.
Answer:
add iodine solution and look for a color change. If starch is present the color change should be blue/black