I don't know the answer to that sorry
No but also yes so probably both but i would say that a dust might is smaller.
For normal goods, the income effect and the substitution effect both work in the same direction; a decrease in the relative price of the good will result in an increase in quantity demanded both because the good is now cheaper than substitute goods, and because the lower price means that consumers have a greater total.
Lazzaro Spallanzani's experiment<span> is a good example of creativity because he designed the experiment and found a new way to explore gastric juices.</span>
Lazzaro Spallanzani, an Italian biologist and physiologist, was the first scientist to dissect animals for digestion trials. He used the animals as models for humans digestive system, designed the experiment, and was the first to interpret the process of digestion.
