1 point
Answer:
For low-mass stars, after the helium has fused into carbon, the core collapses again. As the core collapses, the outer layers of the star are expelled. A planetary nebula is formed by the outer layers. The core remains as a white dwarf and eventually cools to become a black dwarf.
B. Spanish, French, and Portuguese
C. Russian, Polish, and Slovak
D. Bengali, Hindi, and Panjabi
The correct answer is - B. Spanish, French, and Portuguese.
The Romance subfamily, is one of the biggest language subfamilies on the European continent, and it is part of the bigger Indo-European language family that dominates in Europe, the Caucasus, Iran, parts of Central Asia, and big portion of South Asia. Some of the languages in the Romance subfamily are the Spanish, French, and Portuguese, but it also includes the Romanian and Italian languages.
This subfamily spread out on the mentioned territories, and became dominant on them, with the growing of the Roman Empire. Their implementation of the Latin language as official for the administration, as well as the constant process of assimilation of the populations in what is nowadays France, Spain, Portugal, and Romania, resulted in the replacement of the native languages, such as the Celtiberian, Gaulish, Dacian.
The Romance subfamily of the Indo-European language family includes Spanish, French, and Portuguese. These, as well as other languages like Italian and Romanian, have evolved from Latin, explaining their shared traits. Other options include languages from different subfamilies within the Indo-European family.
The Romance subfamily of the Indo-European language family includes several languages that evolved from Latin, the language of the Roman Empire. The correct answer to your question is B. Spanish, French, and Portuguese. These languages, along with others like Italian and Romanian, share common traits in their grammar, vocabulary, and structure due to their common Latin roots. Options A, C, and D include languages that belong to other subfamilies within the Indo-European language family. English, German, and Dutch are part of the Germanic subfamily; Russian, Polish, and Slovak belong to the Slavic subfamily; and Bengali, Hindi, and Panjabi are part of the Indo-Aryan subfamily.
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2) Seafloor spreading
3) The creation of subduction zones
4) Global climatic changes
If the soil meant for cultivation is not well prepared, it can result in reduced soil fertility, higher risk of soil erosion and lower crop yields. Soil preparation is vital as it aids in nutrient availability and provides a good environment for plants. Without it, plant health and growth can be significantly affected.
If the soil meant for cultivation is not well prepared or properly managed, several problems can arise. These include reduced soil fertility, increased potential for soil erosion, poor plant growth and lower crop yields. Soil preparation is paramount as it provides a hospitable environment for plant roots, helping in nutrient absorption.
One of the primary consequences of poorly prepared soil is diminished soil fertility. Proper soil preparation involves turning over the soil, which aids in organic matter decomposition, leading to nutrient release. Without this, nutrient content decreases, directly affecting plant health and growth.
Not prepping the soil can also increase the risk of soil erosion. Loose, uncompacted soil is prone to being washed or blown away, causing loss of top soil, which is the most fertile part of the soil. This makes it harder for plants to establish roots and absorb the nutrients they need to grow.
Lastly, poorly prepared soil can lead to lower crop yields. The plants may struggle to absorb nutrients and water or might become overrun with weeds, leading to less productive crops.
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Answer:
d. none of the above
Explanation:
The desert is a very frequent bioclimatic landscape on the earth's surface, characterized by its very low rainfall and low presence of fauna and flora, given the low humidity levels. Although the traditional image of the sandy desert refers to warm and equatorial climates, the truth is that they also count as deserts those located on the Arctic plateau or in the tundra.
The deserts are the product of different erosion processes, such as wind (given its high presence of winds that even form sandstorms) or the impact of solar radiation. The degree of intensity of these factors will depend on many desert characteristics, such as the type of sand formed or the nature of the soil.
Desert vegetation is, in principle, scarce, given the very low humidity margins. The one that exists has adapted to resist such adverse conditions, and it is usually xerophilous vegetation, with a predominance of spiny and resistant plants, such as the cactus, as well as weeds and, at best, small shrubs height.
Contrary to what is thought, there is a well-defined but very scarce desert ecosystem, although adapted to such an adverse environment and focused on the preservation of body moisture. Perhaps this is why reptiles (such as snakes), insects (ants, beetles) and arachnids (scorpions, spiders) abound.
Revealed by erosion and protected from moisture, in the deserts there are numerous mineral resources, such as oil basins (especially in the Middle East) or heavy metals.
Desert sand, also, is usually rich in calcareous elements and salts, so salt is often found in desert areas, such as in the Uyuni region of Bolivia. This type of desert drains the humidity of the environment even more, thus feeding back its aridity.
assimilated
partnered
corrupted