These are antonyms!!
Resistant means that something can't affect it (the resistant object), or has a hard time affecting it. For example, water resistant shoes aren't easily affected by water; water cant pass through them as easily as non-water resistant shoes.
Yielding means that something is flexible or is influenced by another thing easily. For example, when you "yield" when driving, you are letting the other cars go before you; or, when an object "yields" to pressure, it is bending under pressure (though not quite breaking).
In summary: resistant means nothing can touch it, while yielding means that things easily affect it; thus, antonyms.
The word closest in meaning to copious is b - plentiful.
Copious is synonyms to bountiful and bountiful means abundance, plenty, overflowing and never lacking anything. The other choices are really different since all of it has the common ground in meaning which is opposite to the given word.
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Answer: B. Studied</h3>
We're talking about event in the past (last night), so we use a past tense form of the verb "to study".
Danny <u>studied</u> for a long time last night.
There are many different types of animals there, each with its own purpose. Come and learn about why there are animals on farms, as well as specific facts about cows, chickens and pigs.