Answer:
Answer is d
A weather front is a transition zone between two different air masses at the Earth's surface.
Explanation:
Western European nations maintained democratic political systems.
Jared is also very quick in his work and disposes dangerous chemicals immediately after completing an experiment by duping them in the lab sink.
Jared never eats or drinks in the lab so he won't accidentally swallow the chemicals he works with.
The correct answer is C) Is softer than a diamond. Hope this helps.