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Serjik [45]
3 years ago
9

How does society reflect its IMR?

Geography
1 answer:
Leona [35]3 years ago
8 0

Answer:

  • IMR is infant mortality rate. This study helps to the the death rate of the infants in a particular region at a particular time. In one year the number of births in a given geographical area during the given year.
  • The number of deaths' of infants ( that is child below 1 year age) per 1,000 persons among the population of the given geographical area during the same year is calculated.
  • IMR is an important factor which indicates the health of the  population, reflecting the various factors and conditions present in a particular region and it effect on the population.
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Please Help!
kvasek [131]

1. How were the continents during suilurien

Ans: During the Silurian , the Earth witnessed many changes in the way in which landmasses were distributed around the globe. Although there were no major volcanic events, a deglaciation and rise in sea levels occurring at that time produced varying periods of continent coverage and exposure. The variation of ocean levels occurred alongside the process of continental fragmentation and grouping that occurred from the Cambrian to the present.

At that time, the continents were distributed very differently than they are today. The Silurian world consisted of a vast north polar ocean and a south polar supercontinent (Gondwana) with a ring of approximately six continents. By the Silurian period, a large portion of the Rodinian landmass had become fragmented, and those fragments migrated toward the equatorial region. Most of these fragments were eventually assembled by a series of plate collisions into the super-continents of Laurussia and Laurasia. The modern Philippine islands were most likely inside the Arctic Circle, while Australia and Scandinavia resided in the tropics; South America and Africa were probably over the South Pole.

There was no major volcanic activity during the Silurian; however, the period is marked by major orogenic (mountain-building) events in eastern North America and in northwestern Europe, resulting in the formation of the mountain chains there. This was called the Caledonian Orogeny. In other areas, large igneous rock formations of the Middle Silurian arose, such as those in Central Europe, as well as light sedimentation throughout the Baltic region. While not characterized by dramatic tectonic activity, the Silurian world experienced gradual continental changes that would be the basis for greater global consequences in the future, such as those that created terrestrial ecosystems.

The Silurian oceans are also of particular interest for activity between the regions known as Laurentia, Baltica and Avalonia. The ocean basins between these areas substantially closed together, continuing a geologic trend that had begun much earlier. The new marine habitats produced by these profound changes in the Silurian seas provided the framework for significant biological events in the evolution of life. Coral reefs, for example, made their first appearances in the fossil record during this time.

The Silurian period was a time when the earth underwent considerable changes that had important repercussions for the environment and the life within it. The Silurian witnessed a relative stabilization of the world's general climate, ending the previous pattern of erratic climatic fluctuations. One significant feature of these changes was the melting of large glacial formations. This contributed to a substantial and significant rise in the levels of the major seas, creating many new marine habitats.

The Silurian period's condition of low continental elevations with a high global stand in sea level can be strongly distinguished from the present-day environment. This is a result of the flood of 65% of the shallow seas in North America during the Llandovery and Wenlock times. The shallow seas ranged from tropical to subtropical in climate. Commonly present in the shallow seas were coral mound reefs with associated carbonate sediments. Due to reduced circulation during the Ludlow and Pridoli times, the process of deposition of evaporites (salts) was set in motion. Some of these deposits are still found in northern Europe, Siberia, South China and Australia.

6 0
3 years ago
Which of the following is not information you would find on a topographical map?
Law Incorporation [45]
The answer is A. resources found nearby. A topographical map is a large scale map that can be used to hike or travel since it reveals the features of the land including mountains, peaks, valleys and the sea level. None of which include resources found nearby therefore, that is the answer.
4 0
3 years ago
Which type of plate boundary is the mid-atlantic ridge a part of
Harlamova29_29 [7]
Mid- Atlantic ridge is a part of constructive plate boundary or divergent plate boundary. This linear feature lies in the midst of a two tectonic plates that are apart from each other. Active divergent plate boundaries usually take place in the middle of oceanic plates then become mid-oceanic ridges. In fact that a Mid- Atlantic Ridge is mainly an underwater feature, some of its segments have an altitude that extends above sea level. Its boundary is situated along Atlantic Ocean's bottom and areas of the world's longest mountain range.


7 0
3 years ago
It is a deciduous tree native to
Hoochie [10]

The answer is TOSH.

Tropical, subtropical, temperate, and alpine vegetation can all be found in the Himalayas, and each variety predominates in a region primarily influenced by elevation and precipitation. The species found in each zone vary significantly due to local variations in relief, climate, and exposure to wind and sunlight.

  • The humid Himalayan foothills in the east and center are the only places where tropical evergreen rainforest can be found. The evergreen dipterocarps, a group of common trees that produce resin and timber, thrive on a variety of soil types and steepnesses in hill slopes. Oaks (genus Quercus) and Indian horse chestnuts (Aesculus indica) grow on the lithosol (shallow soil made up of imperfectly weathered rock fragments), which covers sandstones from Arunachal Pradesh westward to central Nepal at elevations of 3,600 to 5,700 feet. Mesua ferrea, a species of Ceylon ironwood, grows on porous soils between 600 and 2,400 feet (180 and 720 metres) (1,100 to 1,700 metres). On the steeper slopes, alder trees (genus Alnus) can be found growing alongside watercourses. Higher elevations cause certain species to succumb to mountain woods, where Himalayan screw pine serves as the predominant evergreen (Pandanus furcatus). Aside from those trees, it is thought that the eastern Himalayas are home to 4,000 species of blooming plants, 20 of which are palms.

To learn more about  western Himalayas visit:brainly.com/question/536493

#SPJ9

4 0
2 years ago
Why do some large commercial airlines fly in the stratosphere? ​
aivan3 [116]

Answer:

-Commercial jet aircraft fly in the lower stratosphere to avoid the turbulence which is common in the troposphere below. The stratosphere is very dry; air there contains little water vapor. Because of this, few clouds are found in this layer; almost all clouds occur in the lower, more humid troposphere.

6 0
3 years ago
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