Answer:
The cross-price elasticity is - 0.8.
Explanation:
The price of antique furniture increased by 10 percent and the quantity demanded decreased by 30 percent, and with no change in the price of refinishing products, the quantity of refinishing products demanded decreased by 8 percent.
The cross-price elasticity of demand measures the change in the demand for a product due to a change in the price of a related good. Negative cross-price elasticity means the goods are complements. Positive cross-price elasticity implies that the goods are substitutes.
Cross price elasticity
= 
= 
= - 0.8
The cross price elasticity is negative which means that the goods are complements.
It is (D) Both A & B
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Answer:
III, II, I and IV
Explanation:
The correct order of application of Koch's postulate is as following
III. Find suspect agent is every case of disease of interest but not in healthy hosts,
II. Isolate and culture suspect agent in the laboratory.
I. Inoculate suspect agent into test subject and observe that subject develops disease of interest.
and
IV. Recover and isolate suspect agent from test subject.
that is III, II, I and IV
Answer: The correct answer is : c. it was better for trade and easier to defend
Explanation: Constantinople was the ideal place for the capital because it was surrounded by water on three sides and was the intersection of Europe and Asia. Constantinople was key to prosperity because it linked east and west through maritime and land trade routes. Constantinople was in the center of the Bosporus Strait, the Black Sea and the Mediterranean Sea.
A clinical trail
Clinical trials are research studies that explore whether a medical strategy, treatment, or device is safe and effective for humans. These studies also may show which medical approaches work best for certain illnesses or groups of people. - Definition by <span>https://www.nhlbi.nih.gov/studies/clinicaltrials</span>
