Answer:
Parameter - A numerical or other measurable factor forming one of a set that defines a system or sets the conditions of its operation.
Explanation:
The Dog ran from the tree to the swing set is the answer. because it moves across the same plane and doesn't turn or reflect across any axis' and it doesn't shrink or grow. Hope it helped!
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.
Answer:
I think what it means is what kind of impression and feeling they get after reading that they take away from the letter.