Copper sheathing<span> is a practice of protecting a under-water hull of a ship or boat from the corrosive effects of salt water and bio fouling through the use of </span>copper<span> plates affixed to the outside of the hull.
It was pioneered and developed by the Royal Navy during the 18th century.
Hope this helps.</span>
West Africa's smaller societies such as Benin and Hausa, grew in ways such as trade and farming, building off of previous achievements. Africa's larger kingdoms improved in the factors of education, with the introduction of new Muslim teachings, as seen in maliand shonghai kingdoms.
Answer:
The executive branch should be pretty easy. This branch carries out laws.
The correct answer is A) The civilization's ancient writing has not been deciphered.
Archaeologists and historians founded it difficult to compile extensive information about the Indus Valley civilization? because civilization's ancient writing has not been deciphered.
The Indus Valley Civilization or Harappa people is considered to be one of the oldest civilizations on planet Earth. So little has been known of this old civilization because archeologists have found a way to decipher its writing.
The Indus Valley settled in next to the Indus River in the region of Pakistan and North India. It is considered one of the oldest cultures on earth as long as the Sumerian in the Middle East and teh Ancient Egypt, settled next to the Nile River.