According to whether we can detect a change in the strength of a stimulus depends upon the intensity of the original stimulus.
a) the principle of sensory adaptation.
b) the principle of absolute threshold.
c) weber’s law.
d) the principal of just noticeable difference.

24-karat gold is considered to be pure gold. 18-karat gold is considered to be about 75% gold. what is 18-karat gold considered a mixture rather than a pure substance? a) it has a variable composition of other elements and minerals. b) its color is different than pure gold. c) the gold atoms are not arranged in a repeating pattern. d) it can be melted and transformed into a different substance.

What is the role of buyer & seller in the marketplace

Many of the mauryan empire’s huge pillars originally were transported from quarries in india. a. central b. eastern c. southern d. western