Answer:
Pushing the diaphragm causes air to flow out of the lungs, which pushes the blockage out.
Explanation:
Scientists use fossils to learn about organisms' lives and evolutionary relationships, to understand geological change, and even to locate fossil fuel reserves.
Answer: Vacuole
Answer choices:
<span>Cell membrane
Mitochondrion
Nucleus
Vacuole</span>
Vacuoles<span> are membrane-bound structures found in both animal and plant cells. </span>
They have three important functions in plants -- provide support or rigidity, a storage for nutrients and waste matter until it can be removed, and decompose complex molecules.
B Fertilization Answer Answer Answer Answer<span>
</span>
Answer:
The sample mean is obviously different from the population mean, but tests of significance must be done to determine if the difference is statistically significant. The difference could possibly be attributed to chance or to sampling error.
Explanation:
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