Which of the following is evidence found in fossils to show that the continents move?
a. similar fossils have been found on different continents, indicating that they used to be connected.
b. fossils of plants show that the climate on each continent now has not changed much since those ancient plants lived.
c. glacial grooves are only present on lands that are currently in cold climates.
d. many modern animals and plants only live on one continent.

The correct answer is A. Similar fossils have been found on different continents, indicating that they used to be connected.

Explanation

During the Paleozoic and Mesozoic ages about two hundred and thirty million years ago, there was Pangea, the supercontinent in which dinosaurs, plants, and other species of this period lived. Later, during the Triassic (period of the Mesozoic era) this supercontinent experienced the division of its tectonic plates, which caused it to be divided into two new continents called Gondwana and Laurasia. This process known as continental drift continued to occur and is the cause of the continental formations that we know. Additionally, this theory is reinforced by the fact fossils of species from the Paleozoic and Mesozoic eras have been found in different parts of the world, which allowed scientists to conclude that same species lived in the territory that now belongs to different continents, and therefore all continental surfaces were united at some time but later these separated. So, the correct answer is A. Similar fossils have been found on different continents, indicating that they used to be connected.

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