Answer:
The marked portion of that document needs to be changed into a portion with upgraded information that will reflect the new classification level.
Explanation:
The Original Classification Authority (OCA) abide by some rules such as:
- The OCA must be designated in writing, another way of designation won't be allowed.
- The OCA creates Security Classification Guides (SCGs) to help others develop classified materials.
- Only a few positions are designated as an OCA such as the President and Secretary of Defense.
But roughly 2.45 billion years ago, the isotopic ratio of sulfur transformed, indicating that for the first time oxygen was becoming a significant component of Earth's atmosphere, according to a <span>2000 paper in Science</span>. At roughly the same time (and for eons thereafter), oxidized iron began to appear in ancient soils and bands of iron were deposited on the seafloor, a product of reactions with oxygen in the seawater."What it looks like is that oxygen was first produced somewhere around 2.7 billion to 2.8 billon years ago."It looks as if there's a significant time interval between the appearance of oxygen-producing organisms and the actual oxygenation of the atmosphere."
Answer:
False
Explanation:
Before the Corona Virus every 10 seconds someone was born, every 5 seconds some one would die. (Approximately)
Now with the Corona Virus we are dropping dead like flies!
Answer:
the answer is C).
Explanation:
<h2>Mark Me Brainliest Please.</h2><h2>I need it.</h2>
