The epiglottis. It prevents food from entering the respiratory tract
Answer:
The correct answer is - B. they build up soil deposits on the rocky ground.
Explanation:
Lichens and mosses are known as the pioneer species as they prepare the particular region for the next stages of succession on the bare volcanic region. Lichens and mosses grow on the bare rocks and secrete acids to break the rocks and start soil production.
The soil deposits produced by breaking the volcanic rocks by secreting acids from mosses and lichens. Even after dying these species leads to thickening of the soil and increase organic matter for the next stages to grow.
<span>The correct answer is A. The moon's gravity pushes on the earth. The push indents the earth's watery envelope and creates tidal bulges. Where the water is pushed in is high tide. There are two types of tides on Earth - high tide and low tide. Both of these types of tides are affected by the Earth's natural satellite, the Moon. Due to its gravity, everything on Earth is pushed, however, waters on Earth are under the strongest impact by this.</span>
Answer:
Technically yes, and no. Read the following:
Explanation:
Stem cells can give rise to specialized cells. When unspecialized stem cells give rise to specialized cells, the process is called differentiation. While differentiating, the cell usually goes through several stages, becoming more specialized at each step.
International means it's involved with more than one nation, so it can't be A or B.
