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irga5000 [103]
3 years ago
13

Which technique of developmental researchers requires a significant expenditure of time as the researcher waits for the particip

ants to get older?
Social Studies
1 answer:
Masja [62]3 years ago
6 0

The technique of developmental research which requires significant expenditure of time is called Longitudinal Studies.

Longitudial studies access changes by studying the same group of subjects  over an extended period of time - for months or even years. This form of research provides valuable information, but many factors can occur over time, like relocation or illness.

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Which among the following countries does not have a railway?​
Iteru [2.4K]

Answer:

There are several countries without trains or railways. Most are either small countries on islands (Iceland for example, has none) or poor countries that really can't afford the cost of maintaining them. HOWEVER most of these countries HAVE HAD railways of some kind at one time or another (Guyana, for example has pretty much nothing but was in fact the first country in South America to have railways at all. Iceland also has had a few small railways built temporarily in the past for construction purposes).

As an aside, it is not always necessarily the countries fault that they have no railways. Many are former colonies of European countries that all had outside influence on the railway construction. Sometimes, if more than one power had a grip on an area, railways of completely different gauges (sizes) would be built by the opposing powers.

Also, the countries obviously only cared about the railways (and the colonies themselves) as a means to make THEM stronger, so the railway systems usually only consisted of a line going straight from whatever rare mineral or something that they wanted to the nearest port, for shipment back to the main country.

Not only were these impractical for serving the entire nation, they were (and still kinda are) a symbol of their former tyrants to the locals. So when the little countries finally broke away from their oppressors they often wanted little to do with railways or trains.

As far as lists of all the countries that don't have them, they aren't really complete, although train buffs like these guys will throw out some names and see if they've got trains or not.

Explanation:

4 0
3 years ago
Why is africa rapidly urbanizing and what are are results if it
Goryan [66]

Answer:

Africa, a continent exceptionally rich in biodiversity, is rapidly urbanizing. ... Urban areas, growing both in population and in land cover, pose threats to the integrity of the continent's ecosystems and biodiversity but their growth also create opportunities for conservation.

Explanation:

6 0
3 years ago
A general term referring to foods coated with or mixed with a batter and deep-fried is:________
Alchen [17]

deep frying  a general term for foods coated with or mixed with a batter and deep-fried

Deep frying :

Deep frying is a cooking method in which food is submerged in hot fat, traditionally lard but today most commonly oil, as opposed to the shallow oil used in conventional frying done in a frying pan. Normally, a deep fryer or chip pan is used for this; industrially, a pressure fryer or vacuum fryer may be used.

What deep fried means?

Deep-fried food has been fried in a deep pan in which it is completely covered by oil: deep-fried chicken.

Is deep frying healthy?

“Eating fried foods (deep fried) is not a healthy choice. Fried foods add a lot of calories to food and don't offer healthy nutrients.”

Learn more about cooking methods :

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7 0
1 year ago
Manufacturers sometimes make pediatric-strength formulations when the _______ of the adult-strength medication would make the pe
trapecia [35]

Manufacturers sometimes make pediatric-strength formulations when the high concentration of the adult-strength medication would make the pediatric dose too small to accurately draw un in a syringe

Oral delivery is the preferred route for the administration in pediatric patients because it is not only invasive and also carries a low risk of the pain  Parents will generally be feel comfortable with this delivery and the method, leading to the improved of compliance for the drugs administered via this route.

Seriously ill children will have require intravenous drug administration and that will prefer this to be frequent and intramuscular injections. For the less serious illness and long-term administration the oral route will also be preferred but the other routes such as the buccal, nasal, or transdermal and rectal can be useful in the some circumstances.

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7 0
2 years ago
A __________ is a discrete body of rock of a particular type that formed in a particular way.
Zielflug [23.3K]

A formation is a discrete body of rock of a particular type that formed in a particular way.

<h3>How do residual sedimentary rocks form?</h3>
  • Sedimentary rocks are created by the accumulation of already existing rocks or fragments of extinct organisms on the Earth's surface.
  • Deep burial of sediment causes it to get compressed and cemented, resulting in sedimentary rock.
  • Sediment refers to the aggregated particles that build up to create sedimentary rocks.
  • Sediment was created by weathering and erosion at a source region before being carried by water, wind, mass movement, or glaciers to the location of the deposition.

To learn more about Sedimentary rocks, refer to the following link:  

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6 0
2 years ago
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