Answer:
A landform is a feature on Earth's surface that is part of the terrain. Mountains, hills, plateaus, and plains are the four major types of landforms.
Answer:
c) identifying the bell as a neutral stimulus; identifying food as the unconditioned stimulus; repeatedly presenting the sound of the bell followed by food; presenting the sound of the bell to produce saliva.
Explanation:
Russian physiologist Ivan Pavlov was studying salivation in dogs during the 1890s and comes up with the theory of classical conditioning in which a neutral stimulus was closely associated with the unconditioned stimulus to obtain a particular conditioned response. the theory involves learning to combine an unconditional stimulus that has already given rise to a specific response with a new stimulus so that the new stimulus results in the same response.
The correct answer to this open question is the following.
Although there are no options provided, we can comment on the following.
Sports experiences can vary depending on whether a person is playing in a power and performance sport as opposed to a pleasure and participation sport.
When the individual is playing in a power or performance sport, the person's attitude is totally different because it is competing. It has a competitive mind that is aimed to win or perform at ist best to get the trophy, the medal, the playoffs. Its effort and performance is the result of committed preparation and a correct strategy to defeat the opponent.
On the other hand, when you play just to participate, you are playing for fun, to have a good time and do some exercise. Your mind is not competing so you have a more relaxed attitude and winning or losing are out of the question.
The answer is cold weather and starvation.
Valley Forge was on of the largest cities in America at the time. So, with so many people in the city, the local resources were depleting rapidly. So, the lack of food was present. In harsh, cold winter conditions, they faced low supplies of food and a lot of diseases. The patriot had to deal with the cold and starvation at Valle Forge.
Answer: 3) Confounding variable
Explanation:Confounding variable is the variable that indicates about the external influential factors that produces the manipulated consequences of independent and dependent variable.This variable can lead to producing useless outcomes in an experiment.
According to the question, the changes occurring in interest of student in algebra can be due to the outside factors which are not generating the actual results and thus, experiment is getting ruined.
Other options are incorrect because application variable remain same for the experiment,system variable are the variables of certain system and reliability variables describe about the variable on which dependent or stable.Thus, the correct option is option(3)
