D would turn out to be your answer
I will only revise it, but not edit it.
It may assess that every year 26 million animals in the United States would continuously utilize similarly as a pet. Animals are being used to test scientific developments and commercial products. New medical treatments are tested on animals to verify the toxicity of new medications or the safety of a human-used product. The healthcare and the commercial industries are also turning to the animal experiments for these understandings.
This is more like the compass for finding your way out of a geometry book. A mathematical compass (like this one) is used to draw perfect circles. For Donne, it was the perfect metaphor for the long-distance relationship he imagined with his wife. Line 26: The compass is introduced emphasizing two crucial features.
Relative dating is the science of determining the relative order of past events, without necessarily determining their absolute age. In geology, rock or superficial deposits, fossils and lithologies can be used to correlate one stratigraphic column with another.
