Answer:The demand curve for doughnuts will shift to the left.
Explanation:
For close substitute products the effect on the price of one substitute will affect the demand of the other substitute, if one substitute faces price fall the demand of the other substitute will fall .
How does Shifts in demand occur?
Depending on the demand the curve will shift to the right or left
When the demand increases the demand curve shift to the right .
Which may be due to things like a price increase of a substitute or a price fall of the complement.
This shift to the right is mostly determined by how popular a product is which could make people buy it irrespective of how much it cost.
Decreases in demand will result in shifting of a demand curve to the left which may be due to a price fall of the substitute product or a rise price of the complement or when people no longer have enough money to buy the product.
Protozoan infections are most prevalent in <u>Asia, Africa</u><u> </u>and <u>South America</u>.
Explanation:
Infections caused by protozoans in humans include severe diseases like African sleeping sickness, malaria, amoebic dysentery, giardiasis etc.
These infections are transmitted through arthropod vectors mostly through their bite. Protozoan parasitic infections are common in tropical developing countries than in the developed nations.
When travelers from non-prevalent countries like the United States travel to countries which are prone to protozoan infections, they also become susceptible and get infected when their own immune system is weakened. They become potential carriers when they travel back to their country.
Answer:
C
Explanation:
on y-axis of characteristics curve there is density and on x-axis there is exposure, when exposure increases density also increases, it means there is direct relation between exposure and density.
A characteristic curve is a graph of the relationship between the quantity of exposure assumed a film and it's resultant density after processing.
