What is a central idea of "The Ornithopter"? Select the two correct answers.
The ornithopter was designed as man's first attempt
at flight
The duke was impressed with da Vinci's plans for the
ornithopter
Leonardo da Vinci worked on commission for wealthy
men
Leonardo agreed to create weapons of war despite
his principles

postive, comparative, superlative - good, better, best

recall how we defined nouns as words capable of having plurals and possessive endings. adjectives (and their first cousin, the adverb) also have a feature that distinguishes them. they come in three states. first, the raw adjective—in its positive state—merely describes the noun modified; it doesn’t care about how this particular person or thing stacks up against other members of the same noun class

answer:

a. "there, said he, there is something for you."

explanation:

"said he" should not have been part of what is in the dialogue.

you need to make an explanation. so, since you did not include one, so no one, and i mean no one can unfortunately you,

a. energy is conserved on earth, but matter is not.