An earthquake results when is along a fault. a. stress; built up b. force; released c. energy; built up d. energy; released

Option d is correct,

The sudden release of energy results in the seismic waves that shakes the ground vigrously. When two part of rock rubbed to each other then they stick to each other for a while and it stores energy in them and releases that stored energy an thus results in earthquake.

coral.

explanation:

coral. many marine organisms that produce calcium carbonate shells or skeletons are negatively impacted by increasing co2 levels and decreasing ph in seawater.

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