Ineed with this question. can anyone figure this out?

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

When water freezes, it . contracts expands

Why would satellite imagery be more useful than a map in some instances? check all that apply. provides landmarks such as buildings is an overhead view of earth’s features can be used when internet is not available provides small details of roads for digital maps provides various methods of transportation to a location