Global climate might have changed because back then they would create fires everywhere at night and during the winter and the smoke from the fire might have effect the weather and the climate and when people who where immigrants traveling from let's say Italy took boat and the oil from boats leaked into the water allowing the to change climate use whatever answer u would like.
Answer:
Designated Classification Authority (DCA)
Derivative classifier
Explanation:
Protecting classified information from unauthorized disclosure by ensuring proper classification markings appear on all classified information when creating a new classified document based on one or more authorized sources is the role of a Designated Classification Authority or Derivative Classifier.
This is usually done by paraphrasing and rewriting which could be sometimes into new coded languages/writings in relation to the source information.
Columbus made a total of 4 journeys <span />
They were big headed because they thought they were the center of the earth...like everything was made around them when really they were just cut off from the rest of the earth
Answer:
It will take 12 hours to fill the tank
Step-by-step explanation:
Proportions
Tap A fills a tank in 4 hours. It means each hour it fills 1/4 of the tank.
Tap B fills the tank in 3 hours. Each hour it fills 1/3 of the tank.
Tap C empties the tank when full in 2 hours. Each hour it empties 1/2 of the tank.
Each hour, the tank gets filled by:
Since the tank fills 1/12 of its capacity in one hour, it follows that it will take 12 hours to fill the tank