Which of these is an example of an experiment? Add different kinds of soil to three potted plants.
Beach erosion increased during the last winter storm.
Temperature changes may be due to wind patterns.
Wonder why some layers of rocks contain fossils.

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance

i wish i could but this one is weird give me abc and i can solve it.