The major portion of an atoms mass consists of n<span>eutrons and protons.</span>
The correct answer is B "The price of chocolate has gone up and sales are down". Price sensitivity is the effect the price of a product causes in its demand towards consumers. It is also called price elasticity of demand. A simple example is when the price of a good goes up, its sales go down. It means the consumers are not willing to pay more for that product. This is the case of option B. The price of chocolate increased and made the sales decrease.
Fossils are important to preserve knowledge on Earths past and creatures that may not last forever. Fossils also show what kind of animals existed in the past and their survival mechanics such as claws or very sharp teeth
Limit the amount of contact with other people or by having medicine.
Answer: 4
(IV)
Explanation:
From the question, the researcher is interested in determining whether smiling and warmth impact the number of friends one has.
The variables are; Amount of smiling (a little, a lot) and self-rated warmth (cold, warm).
Manipulating the variables by the researcher or experimenter is called the free variables(IV). It is free to be varied. What is to be measured is called the dependent variable(∆V); it depends in the manipulation of free variables