<span>Features matched with its description
A: stalactites 3: tubes with hollow centers
B: stalagmites 2: tubes without hollow centers</span>
<span>C: speleology 1: cave science</span>
D: speleothems 4: cave features
<span>
</span>Speleology is shortly defined as the<span> scientific study of caves.</span> Speleothems are structures<span> formed in a cave by the deposits of minerals from water dripping from the fractures of the ceiling of the cave. Most common types are the stalactites and stalagmites. </span>
<span>Stalactites began as a ring of crystals which later becomes small tubes with a hollow center.</span><span> Stalagmites, on the other hand, are tubes formed without hollow centers. </span>
That process is known as "Ovulation"
Hope this helps!
The answer would be the second choice, "Central Nervous System"
Answer:
well theory is ranked second highest in certainty in scientific nomenclature. theory dictates it is more certain of a principle than a hypothesis yet not concrete enough to be a law. examples are the theory of evolution versus the law of gravity
Vacuoles
Explanation:
Vacuoles are storage vessels within the cell that store nutrients and waste products. It does not have a role in ATP production. So, the answer is VACUOLES...
<em>HOPE </em><em>IT</em><em> </em><em>HELPS</em><em> YOU</em><em>.</em><em>.</em><em>.</em><em> </em><em>PLS </em><em>MARK</em><em> BRAINLIEST</em>