Answer:
The correct answer is D. EU
Explanation:
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A scientific theory may be revised overtime because it goes to the loop of science which what's the scientific theory to test several times each time a different product may be shown or every now and then a different product may be shown so therefore over time as it goes through the loop of science a scientific theory may change or be revised
Muscle tissue are specialised for contraction.
The main reason species are being lost to extinction is usually due to habitat loss, pollution, and climate change.
If you can only choose one answer, habitat loss is the biggest reason.