d
Explanation:
uhhhhhhhhhhhhhh yessssssss
2 is C or Abc of the Indus Civilization and Egyptian civilization breakthrough 3 is b or A
There are different kinds of concept. The Revealed By concept is often used to derivatively classify the statement in the new document.
<h3>What is a security classification guide?</h3>
This is often known to be a record of all the original classification decisions made that is often employed as a source document when developing classified documents.
The OCAs are admonished to often publish security classification guides to boast a well derivatively standardized and good classification management program.
learn more about security classification guide from
brainly.com/question/14294203
Answer:
He spent a great deal of time immersing himself in nature, testing scientific laws, dissecting bodies (human and animal) and thinking and writing about his observations.
Explanation:
Probably because of his abundance of diverse interests, da Vinci failed to complete a significant number of his paintings and projects.
