In an experiment testing the effects of a treatment, a comparison grouprefers to a group of units (e.g., persons, classrooms) that receive either no TREATMENT or an alternative treatment.
Answer:
emotional
Explanation:
Stress: In psychology, the term "stress" is described as an individual's feeling of physical or emotional tension. Therefore, stress can come from any thought or event that can make an individual feel nervous, frustrated, or angry. Significantly, stress is considered as an individual's bodily reaction towards a specific demand or challenge. However, stress can be "positive" as well, for example, when it helps a person to avoid danger.
Signs: Headaches, problem sleeping, dizziness, etc.
In the question above, the given statement represents the "emotional" component.
<u>Answer:
</u>
A reaction in which the reactants have more energy than the products is always an Endothermic reaction.
<u>Explanation:</u>
The word "exothermic" means "turning out".In endothemic reaction, less amount of energy is sufficient to break the bonds that exist between the reactants when compared to the amount of energy that is formed when new bonds are created.
The chemical energy that is stored within a product is nothing but its potential energy that can later be released. An example of an endothermic reaction is the burning of wood. when you burn wood, you can see that it releases energy in the form of heat and this warms up the surrounding environment.
With the invention of the stethoscope, physicians were able to listen to the various sounds made by the heart and lungs. And began to be able to identify if patients had any diseases or ailments.
