The answer is C, I just had this question-
C. To move oxygen-poor blood through the lungs and to move oxygen-rich blood to the rest of the body
The parasympathetic nervous system is most likely to be dominant while someone is napping after a big meal?
B. copper and iron.
C. zinc and magnesium.
D. iron and zinc.
Answer: The correct answer is iron and nickel.
Earth's core is the hottest and deepest layer. It is made of two layers The outer core which forms the border of mantle and inner core is spherical ball which is made up of metal. The outer core is about 1400 miles thick and it is made up of combination of alloys (iron and nickel). Some other metals are also found there in trace amounts like uranium, platinum and gold.In the outer core these metals are found in solid form.
The Earth's core is primarily composed of an alloy of iron and nickel. This combination is known as the "iron-nickel alloy" or sometimes referred to as "nickel-iron alloy."
The correct option is A .
In general ,The outer core is believed to be mostly liquid, while the inner core is solid, and both are predominantly made up of this iron-nickel alloy. This composition is based on scientific studies and evidence gathered from seismic waves, meteorite analysis, and other geological observations.
One key observation is the existence of primary (P) and secondary (S) seismic waves.P-waves are compressional waves that can travel through solid and liquid materials, while S-waves are shear waves that can only propagate through solid materials. By analyzing the behavior of P and S waves, scientists have determined that the Earth's core has an outer liquid layer and an inner solid layer.
Hence , A is the correct option
To learn more about Earth’s core, here
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is not influenced by events around him
changes, or grows, according to the occurrence in his life
Famine
In the early 14th century, Europe encountered a series of famines, often referred to as the Great Famine. Abundant rains in the spring of 1315 were partly responsible, along with cool warmth. This did not enable the cereals to ripen, which led to crop failures. It also recommended that straw and hay could not be preserved for animals and that salt was not available because the ocean could not evaporate. Moreover, the population had expanded very suddenly prior to 1300, so there was an additional requirement on limited sources.
Science can answer the question "How large is the Milky Way?" which is present in option b out of the given options, as science is a systematic and evidence-based approach to understanding the natural world.
The goal of science is to develop an understanding of natural phenomena that is based on evidence and can be used to make predictions about future observations or events. Questions that can be answered through science are typically those that can be observed or measured in some way. For example, the size of the Milky Way galaxy can be estimated through astronomical observations and calculations based on the movements of stars and other celestial bodies.
Hence, science can answer the question "How large is the Milky Way?" that is presented in Option b.
Learn more about the science here.
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Answer:
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Explanation: