C. The platypus, which is a mammal, has a bill like a duck and feet like an otter.
"which is a mammal" is an adjective clause. An adjective clause is used to describe a noun and usually begins with one of these words: that, when, where, who, whom, whose, which, and why. In this sentence, the adjective clause begins with "which" and describes the platypus, which is a noun.
The answer is B, the biggest disappointment was isolation from neighbors
I would say D. because of how scrawny is a negative word.
An example:
Skinny, thin<span>, and slender</span><span>. </span><span>These three words all mean having less weight on one's body than what might be considered average. But the connotations differ since the suggested meanings of </span><span>skinny </span><span>and </span>thin <span>are often more negative than </span>slender<span>, with </span>skinny potentially the most negative of the three<span>.
It is the same for scrawny, thin, petite, and little. </span>
Answer: ... and a few minutes later 2 squirrels throw chestnut at me, I think they were angry about me sitting under the tree.
Explanation: here you go:)
