Answer:
Riding in a self-driving car
Explanation:
It is "the way scientific and technical work is made invisible by its own success" you aren't realizing the intense mechanisms of the car because its doing its job. Driving it's self
Even though you didn't italicize anything in this sentence, I managed to find the exercise on the Internet - the italicized part is <em>won.
</em>The correct answer is simple predicate. A simple predicate is usually just one word - a predicate, a verb without objects and adverbs around it. If the part <em>won two first-place ribbons </em>was italicized, then it would be a complete predicate. <em>Stephen </em>is simple subject in this sentence, and at the same time complete subject as well. There are no predicate adjectives in the sentence above.<em>
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Answer:
the sky is overcast with cloud