I believe the correct answer from the choices listed above is the second option. In the gas laws lab, you changed temperature to change <span>volume and pressure. These parameters are related with each other by virtue of the ideal gas law which is expressed as PV = nRT.</span>
Answer:
There are three main types of variables in a scientific experiment: independent variables, which can be controlled or manipulated; dependent variables, which (we hope) are affected by our changes to the independent variables; and control variables, which must be held constant to ensure that we know that,A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled.There are six common variable types:
DEPENDENT VARIABLES.
INDEPENDENT VARIABLES.
INTERVENING VARIABLES.
MODERATOR VARIABLES.
CONTROL VARIABLES.
EXTRANEOUS VARIABLES.
Variable of interest, in an experimental study, a changing quantity that is measured. One or more of these variables, referred to as the factors of the study, are controlled so that data may be obtained about how the factors influence another variable referred to as the response variable, or simply the response.
Answer:
The Pampas have rich, fertile soil and predictable rainfall patterns. They are the most important grazing and cropland areas on the continent. A coastal plain is an area of low, flat land next to a seacoast.
two countries in africa that are ethnocracies would be Rwanda and Burundi
<span>The name of the envelope of gases that surrounds earth is called </span>Atmosphere