This is a map that shows hot spots around the world. Which phrase describes the formation of the Hawaiian Islands?

formed due to subduction
formed in the middle of a plate
formed at a divergent boundary
formed at a convergent boundary

answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e

d: the voltage of the secondary coil is less than that of the primary coil.

im not suree sorry if wrong

the answer is the first option

explanation:

just googled it m8. not that hard

lol

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.