Answer:
2. The US imports oil from the Middle East while some countries there rely on the US for food and technology.
Explanation:
A specialization occurred when the process of production a certain product become so cheap and efficient in a country. This allow them to focus their time and resources solely on producing that product and imported other product that they need.
The middle east had the largest oil reserves in the world (As per today, it's 10 times more than US have. They might have some that they haven't discovered yet) . For United States, this means that importing oil from the middle east is much cheaper compared to producing it by their own. They could focus that time and resources for producing foods and technology instead.
Answer:
I said D even tho you might not need it now
Explanation:
Answer: Scientific
Explanation:
Lifespan development is defined as the mechanism that displays the complete cycle of human life from birth to death. It makes the viewer understand the concept of human life along with the continuous changes in terms of emotion and social or psychological growth.
It relates with the scientific approach as it this development is based on long term observation and prediction of life<em>.</em> It analyzes and discovers knowledge about stages happening in human life.
A prospective study recruits and follows healthy subjects for a long period of time to determine the factors that contribute to the development of disease.
A prospective Study look at, on occasion, referred to as a potential cohort study, is a type of longitudinal take look at where researchers will observe and look at a collection of topics over a time frame to acquire information and file the development of outcomes.
A prospective observation is a longitudinal cohort examination that follows over time a set of comparable folks that differ with admire to certain elements underneath take a look at, it to decide how those elements affect fees of positive final results.
A prospective look is one that identifies a scientific commonly medical hassle to be studied and specifies an examination design protocol e.g. what you're measuring, who you're measuring, how many subjects, and many others. and then gathers records within the destiny according to the layout.
Learn more about the prospective study here:-brainly.com/question/989551
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Answer:
Bartering
Explanation:
Bartering system of trade was most widely used in both ancient river Civilization and ancient native American civilization due to the following reasons: - Services and goods are traded in bartering with another person where there is no money involved.