The correct answer is catalyst. Hope that helps.
Answer: Atmosphere
Explanation:
Atmosphere is the part of the earth, known as the gaseous part, since it contains gases such as nitrogen (about 78%), oxygen (about 21%), Carbondioxide (about 0.03%), and rare gases to make the rest.
Thus, atmosphere contains the most whole of oxygen and carbon dioxide
Bulb is the answer because they are very short underground stem encased in thickened fleshy bulb scale.This scale help to store food
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Evidence supporting the Big Bang theory includes the presence of cosmic microwave background radiation, visual observation of redshifted objects and the abundance of primordial elements found throughout the universe.
Volcanic eruptions may occur in both locations, as the movement can cause the tectonic plates to allow magma through.
