Write a function that takes a list and returns it’s first element​

When is a chart legend used a. all the time b. whenever you are comparing data that is the same c. whenever you are comparing multiple sets of data d. only for hand-drawn charts

The camera still is bad even with the new iphone xr and especially in low light it is even worst because you can see the pixels more if its in low light. if all you apple customers want apple to fix this then lets fill there feedback with complaints about the can apple do to fix this issue?

Someone plzz me which of these defines a social search? a. asking a search engine a question that is answered by a real person on the other sideb. modifying search results based on popularity of a web pagec.modifying search results based on a ranking of a web page