Question

cloning and its impact
in 1996, a sheep named dolly was successfully cloned. this was the first time in history that something had been cloned.
. this breakthrough raised questions about potentially cloning humans.
. however, an international law was passed making the cloning of humans illegal.
. while humans may not be cloned, other objects such as vegetables and plants often are in order to enhance or alter foods.
which medical invention of the 1990s allowed doctors to view internal organs and tissue?
the x - ray machine
the ct machine
the mri machine

Explanation:

The MRI machine became a significant medical - imaging tool in the 1990s for viewing internal organs and tissue. X - rays and CT scans also have imaging capabilities but MRI provides detailed soft - tissue images and was a notable 1990s development.

Answer:

C. the MRI machine