I believe the answer is: <span>The double-blind Procedure
In a </span><span>The double-blind Procedure, both the researchers and experimental subjects do not know which subjects are receiving treatment and which subjects are not.
The purpose of this procedure is to ensure that the researchers remain unbiased when analyzing the data taken from the subjects.</span>
sketch sheets project maps very different
Answer:
a. Complementary
B. Complementary
C. Substitute
D. Substitute
E. Complementary
F. Complementary
G. Substitute
I. Complementary
J. Substitute
K. Complementary
Explanation:
Complementary goods are goods that are goods used with other goods or service. A complementary good has no value when consumed without the other goods but increases appeal and therefore value when consumed in conjunction with other goods such as ice cream and the cone above. On the other hand, substitute goods are alternative goods that may be chosen over the other and therefore are competing goods in the market.
The appropriate response is letter B. The Mayans had a few cultivating strategies they used to develop their harvests, including the cut and consume strategy, terracing and a system utilizing raised fields. The technique utilized by the ranchers relied upon the land. Maya agriculturists utilized a strategy called cut and consume before they started planting crops.