Answer:
<u>Sumer</u>, located in Mesopotamia, is the first known complex civilization, having developed the first city-states in the 4th millennium BCE. It was in these cities that the earliest known form of writing, cuneiform script, appeared around 3000 BCE.
Explanation:
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Answer:
Engrossing one's self in work so that the feeling of productivity is enhanced
Explanation:
Our immune system is essential for our survival. Without an immune system, our bodies would be open to attack from bacteria, viruses, parasites, and more. It is our immune system that keeps us healthy as we drift through a sea of pathogens.
This vast network of cells and tissues is constantly on the lookout for invaders, and once an enemy is spotted, a complex attack is mounted.
The immune system is spread throughout the body and involves many types of cells, organs, proteins, and tissues. Crucially, it can distinguish our tissue from foreign tissue — self from non-self. Dead and faulty cells are also recognized and cleared away by the immune system.
If the immune system encounters a pathogen, for instance, a bacterium, virus, or parasite, it mounts a so-called immune response. Later, we will explain how this works, but first, we will introduce some of the main characters in the immune system.
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The interest for a month is $6.66 and 1 year is $80.
<u>Explanation</u>:
Simple Interest = Pnr/100
where,
⇒ P = principal
⇒ n = number of years
⇒ r = rate
Interest for 1 year,
P = $4,000, n = 1, r = 0.02
Interest = 4000
1
0.02
⇒ $80
Interest for 1 month,
⇒ divide the 1 year interest by 12,
⇒ 80/12
⇒ $6.66
A.
They supported the Confederate army..