Answer:
The president
Explanation:
In case of emergencies such as natural disaster or security breaches, the president of the United States have the constitutional right to make a sole decision on dealing wir with it.
Answer:
Corteza renal, médula renal y pelvis renal.
Explicación:
Hay tres regiones principales del riñón, es decir, corteza renal, médula renal y pelvis renal. La corteza renal es la parte externa del riñón que se compone de glomérulos y túbulos contorneados. La corteza renal es responsable de la protección de las estructuras internas del riñón. La médula renal es la parte más interna del riñón que se divide en pirámides renales. La médula renal es responsable de la regulación de la concentración de orina. La pelvis renal es la región donde se unen los dos o tres cálices principales. La pelvis renal actúa como un embudo para la orina que fluye hacia el uréter.
Answer:
sedimentary rock
Explanation:
The fossils are found in sedimentary rocks such as sandstone, limestone and even coal. This type of rock tends to be in very deep layers and for this reason they are easier to house the fossils. they are formed by the melting of other rocks.
Explanation:
Ecosystems exist at a range of scales and involve the interaction between biotic and abiotic components. An example of a small scale UK ecosystem to illustrate the concept of interrelationships within a natural system, an understanding of producers, consumers, decomposers, food chain, food web and nutrient cycling.
The Great Barrier Reef is the world's largest coral reef system composed of over 2,900 individual reefs and 900 islands stretching for over 2,300 kilometers (1,400 mi) over an area of approximately 344,400 square kilometers (133,000 sq mi).
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What are coral reefs?</h3>
Coral reefs are underwater structures made from calcium carbonate secreted by corals. Coral reefs are colonies of tiny living animals found in marine waters that contain few nutrients. Most coral reefs are built from stony corals, which in turn consist of polyps that cluster in groups.
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Coral Reefs of India:</h3>
India has four coral reef areas: the Gulf of Mannar, Andaman and Nicobar Islands, Lakshadweep Islands, and the Gulf of Kutch. Coral reefs protect humanity from natural calamities. They provide revenue and employment through tourism and recreation.
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Coral Reefs of Australia:</h3>
The reef is located in the Coral Sea, off the coast of Queensland, Australia, and is separated from the shore by a strait that is up to 100 miles wide and 200 feet deep in places. The Great Barrier Reef is the world's largest single structure built by living beings, visible from space.
Learn more about coral reefs here: brainly.com/question/10970167
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