Which of the following is NOT an example of the earth surface is changed by physical or chemical weathering A wind eroding the side of a hill by carrying pieces of rock away

B a glacier carrying and dropping sand as it moves and forms a hill

C a large meteor crashing in a desert

D water wearing down rocks that are along a river bed

SCEINCE

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

hloride, what is the mass of calcium in

explanation:

sure im new too!

explanation: