Answer:
A: heat energy
Explanation:
because as we light up the bulb it gives us light energy
but when we touch it we feel that it is hot (heat energy)
the heat energy given of is not for our use and goes to waste
Answer:
the reasons for the changes in seasons are: revolution of the Earth
The tilt of the Earth's axis
Answer:
positive deviation from raoults law means when the vapour pressure is higher than the solution is expected to exhibit e.g of one is the mixture of acetone and ethanol
negative deviation means that it is opposed to the total vapour pressure of the solution
Answer: Option (A) is the correct answer.
Explanation:
An element is defined as a substance that contains atoms of same type.
As copper wire is a substance that is made up of only atoms of copper. And, all these atoms of copper will be the same. Hence, it is an element.
This means that all the atoms of copper will have same number of protons, neutrons and electrons.
Thus, we can conclude that the statement they are all exactly the same best describes the copper atoms.
Answer:
Two slender woolen sweaters are hotter than a thick woolen sweater in light of the fact that there is a layer of air between them that doesn't permit our body warmth to get away yet it likewise it doesn't retains heat from the climate and fleece is additionally a protector that itself doesn't permit our body warmth to get away
