Answer:
2k-3.
Explanation:
There are k children and k-3 adults. So, we add k+(k-3). This simplifies to 2k-3.
There are several processes used to explain the removal of dirts or contaminants from surface, but the general name is called Cleaning
Cleaning is an umbrella name that involves the removal of visible soils mater from surfaces, there are other types of cleaning that involves the removal of non-visible matter from surface too e.g sterilisation.
Sterilisation refers to specific action taken to reduce the hazard posed by such contaminants, as opposed to general cleaning.
Learn more about cleaning here:
brainly.com/question/19819390
Answer:
The answer is true. The Species-Area Curve lets us to forecast how many species will keep on if the forest is reduced in size by a stated amount. The y-axis specifies how many species can be preserved in an exact area while the x-axis specifies the area of habitat.
Explanation:
Answer:
A solid has a definite volume and shape a liquid has a definite volume but no definite shape and a gas has neither a definite volume nor shape.
Explanation: