Elena sets her train up in a dark room she puts toys around the track as the train goes around the track she can see different toys identify the type of energy that allows land of the sea the different toys at the train moves around the track

light

Explanation:

The train gives off light creating shadows of all the toys she laid around her room

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation:

the court ruled that a state law that banned abortions (except to save the life of the mother) was unconstitutional

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