7. The Songhai Empire - Africa's Age of Gold

2024/05/1307:10:05 news 9455833

7. The Songhai Empire - Africa's Age of Gold - DayDayNews

7. The Songhai Empire - Africa's Age of Gold - DayDayNews

2:16:09

* All content videos are shared, reposted and embedded from YouTube. If there is any violation or error, please contact us to delete it.

news

Ferrous sulfate Ferrous sulfate treats heavy metal ion wastewater. The ferrous ions decomposed by ferrous sulfate in wastewater have strong redox properties and can remove some heavy metals such as divalent copper ions, hexavalent chromium ions, etc. Reduced to the insoluble subs - DayDayNews

Ferrous sulfate Ferrous sulfate treats heavy metal ion wastewater. The ferrous ions decomposed by ferrous sulfate in wastewater have strong redox properties and can remove some heavy metals such as divalent copper ions, hexavalent chromium ions, etc. Reduced to the insoluble subs

Ferrous sulfate removes heavy metal ions

05/22 1266

Most water meters used in daily life are installed at home. Remote water meters are divided into wired remote water meters, wireless remote water meters, photoelectric direct-reading remote water meters, etc. These remote water meters have functions such as remote data transmissi - DayDayNews

Most water meters used in daily life are installed at home. Remote water meters are divided into wired remote water meters, wireless remote water meters, photoelectric direct-reading remote water meters, etc. These remote water meters have functions such as remote data transmissi

Why are wired remote water meters cheaper than wireless remote water meters? The truth turned out to be...

05/22 1281

Mr. Ban Ki-moon and President Obama are both men I like and admire. But don’t think too much. I like them not because of their talents, but because I think they are handsome and elegant. I am a typical face-controller, and I always only pay attention to a person’s external beauty - DayDayNews

Mr. Ban Ki-moon and President Obama are both men I like and admire. But don’t think too much. I like them not because of their talents, but because I think they are handsome and elegant. I am a typical face-controller, and I always only pay attention to a person’s external beauty

A friend at the UN headquarters in New York found several old UN photos.

05/22 1656

The instructor said that because my teeth were too white, the whole company remembered that I should come alone. Military training started in June. In order to leave a good impression on the new classmates, I got a lot of things. Apart from sunscreen, the one I used the most was - DayDayNews

The instructor said that because my teeth were too white, the whole company remembered that I should come alone. Military training started in June. In order to leave a good impression on the new classmates, I got a lot of things. Apart from sunscreen, the one I used the most was

In military training, I became famous throughout the company because of my white teeth. It turned out that I used this

05/22 1829

In the previously staged TV series "Golden Wedding", a couple played by Jiang Wenli and Zhang Guoli had a profound impact on the lives of their four children due to the ups and downs of their marriage. Freud said: A happy person spends his childhood healing his life, but an unfor - DayDayNews

In the previously staged TV series "Golden Wedding", a couple played by Jiang Wenli and Zhang Guoli had a profound impact on the lives of their four children due to the ups and downs of their marriage. Freud said: A happy person spends his childhood healing his life, but an unfor

A story about the counterattack of a controlled life: Everyone who has had the same experience should read it

05/23 1500

Text/Zhang Tiankan (The author Zhang Tiankan is a special commentator of Lizhi News, a scholar, and a media person; this article is exclusively commissioned by Lizhi News Client and Lizhi.com. Please indicate the source for reprinting.) The room temperature is 31 degrees, and the - DayDayNews

Text/Zhang Tiankan (The author Zhang Tiankan is a special commentator of Lizhi News, a scholar, and a media person; this article is exclusively commissioned by Lizhi News Client and Lizhi.com. Please indicate the source for reprinting.) The room temperature is 31 degrees, and the

Internet celebrity ice cream doesn’t melt in an hour? We should see the real demands behind the hot discussion | Lychee Commentary

05/23 1095

Shanghai Aid Diary It has been 27 days since the "Shoushan Aid Medical Team" followed the Shanxi aid Shanghai medical team to Shanghai at the end of April. Although the work was hard and tiring and a lot of sweat was put into it, at the same time, I also gained a lot of warmth, e - DayDayNews

Shanghai Aid Diary It has been 27 days since the "Shoushan Aid Medical Team" followed the Shanxi aid Shanghai medical team to Shanghai at the end of April. Although the work was hard and tiring and a lot of sweat was put into it, at the same time, I also gained a lot of warmth, e

"Shanghai Aid Diary" Meng Ling's Thoughts from the Second Department of Tumor and Internal Medicine of "Shoushan Medical Team"

05/22 1595

2022 List We cannot predict the various accidents in life, ranging from falls and sprains, to cat scratches and dog bites, to major accidents and disasters... An accident insurance only costs one or two hundred, and it can reimburse the medical expenses caused by the accident, ju - DayDayNews

2022 List We cannot predict the various accidents in life, ranging from falls and sprains, to cat scratches and dog bites, to major accidents and disasters... An accident insurance only costs one or two hundred, and it can reimburse the medical expenses caused by the accident, ju

Big Armor No. 3 Pro is online, accidental medical treatment is not limited to social insurance! Attached is a list of other accident insurances

05/22 1872

In the 21st century, fitness and learning have become hot topics. - DayDayNews

In the 21st century, fitness and learning have become hot topics.

Fitness and recharging

05/22 1519

Recently, a friend @憆月 posted about the situation of the two rivers in the south and north of Siping. The video he took was really good. I wanted to write about the two rivers in the message, but I couldn’t tell if I wrote too little and too much. It’s also inappropriate to leave - DayDayNews

Recently, a friend @憆月 posted about the situation of the two rivers in the south and north of Siping. The video he took was really good. I wanted to write about the two rivers in the message, but I couldn’t tell if I wrote too little and too much. It’s also inappropriate to leave

The two rivers surrounding Siping City - my impressions from watching friends’ TikTok

05/22 1903

These "post-80s" rural women return to their hometowns from the city in exchange for their economic functions and freedom, hoping to help their children gain the ability to settle down and live a life through education, and live a better life than their parents. - DayDayNews

These "post-80s" rural women return to their hometowns from the city in exchange for their economic functions and freedom, hoping to help their children gain the ability to settle down and live a life through education, and live a better life than their parents.

Those rural mothers born in the 1980s who gave up everything and returned to the county town to accompany them to school, later they all fell into despair

05/24 1548

Dr. An Jiahe in the TV series "Please Don't Talk to Strangers" made us see the horror of domestic violence. This TV series once became a history that a generation did not dare to recall. However, the man we are going to talk about today is much scarier than An Jiahe. It turns out - DayDayNews

Dr. An Jiahe in the TV series "Please Don't Talk to Strangers" made us see the horror of domestic violence. This TV series once became a history that a generation did not dare to recall. However, the man we are going to talk about today is much scarier than An Jiahe. It turns out

Case: A ridiculous ethical farce in Chengdu in 2013 when a son-in-law came to occupy his mother-in-law.

05/24 1435

With the development of society, the living standards of the people are increasing day by day. From the food that was not nutritious in the past to the current nutrition and health, many parents are not willing to let their children go to the kitchen. As a result, many young peop - DayDayNews

With the development of society, the living standards of the people are increasing day by day. From the food that was not nutritious in the past to the current nutrition and health, many parents are not willing to let their children go to the kitchen. As a result, many young peop

Labor class will become an independent course for primary and secondary school students. You need to understand these children's kitchenware before buying it.

05/24 1941

Some time ago, a newlywed couple who was ridiculed by netizens for "getting married in a carpool" claimed to be the groom and bride who received the least blessings on the Internet. No, there is another couple who received the least blessings from the entire Internet. They got ma - DayDayNews

Some time ago, a newlywed couple who was ridiculed by netizens for "getting married in a carpool" claimed to be the groom and bride who received the least blessings on the Internet. No, there is another couple who received the least blessings from the entire Internet. They got ma

The bride shared a table with her undergraduates and doctoral students. Netizen: It’s really okay to read this.

05/23 1448

Dou Yuesheng 1. Author introduction Zhang Jie (1937-January 21, 2022), whose ancestral home is Fushun, Liaoning, was born in Beijing. He graduated from Renmin University of China. He is a famous contemporary writer and former vice chairman of the Chinese Writers Association. - DayDayNews

Dou Yuesheng 1. Author introduction Zhang Jie (1937-January 21, 2022), whose ancestral home is Fushun, Liaoning, was born in Beijing. He graduated from Renmin University of China. He is a famous contemporary writer and former vice chairman of the Chinese Writers Association.

Prose Book 4, Lesson 1: Zhang Jie's "Digging Shepherd's Purse" (100,000+ course teacher's handouts)

05/23 1572

What some of us have done is chilling. I feel indignant for those ancestors who shed their blood and sacrificed their lives for the country. I feel unworthy for them! They endured all the hardships, fought bloody battles, and fought hard to let the Chinese people die. What is ind - DayDayNews

What some of us have done is chilling. I feel indignant for those ancestors who shed their blood and sacrificed their lives for the country. I feel unworthy for them! They endured all the hardships, fought bloody battles, and fought hard to let the Chinese people die. What is ind

An American veteran sheds tears when he sees the current state of his country

05/23 1169

Content summary: Algorithmic governance is a core issue in the digital age. It reflects the life laws and operating logic of the digital society. It has gone beyond the governance mechanism and system framework of the industrial and commercial society, and its value scale has als - DayDayNews

Content summary: Algorithmic governance is a core issue in the digital age. It reflects the life laws and operating logic of the digital society. It has gone beyond the governance mechanism and system framework of the industrial and commercial society, and its value scale has als

Digital Rule of Law｜Ma Changshan: The Scale of Justice in Algorithmic Governance

05/24 1617

Dear friends, what I bring to you today is the recently popular industry drama "The Algorithm of Justice". "The Algorithm of Justice" is a legal drama jointly produced by Bilibili and Disney, directed by Golden Bell Award-winning director Xu Fuxiang, starring Chen Bolin and Guo X - DayDayNews

Dear friends, what I bring to you today is the recently popular industry drama "The Algorithm of Justice". "The Algorithm of Justice" is a legal drama jointly produced by Bilibili and Disney, directed by Golden Bell Award-winning director Xu Fuxiang, starring Chen Bolin and Guo X

Chen Bolin and Guo Xuefu's "Algorithm of Justice" takes you to watch a slightly funny legal drama

05/24 1716

01. English Qualification Certificate We all know that we usually learn English in school. So if you have an English qualification certificate after graduation, you will be able to find a job well in society, and the salary will be high. It is usually very convenient to study abr - DayDayNews

01. English Qualification Certificate We all know that we usually learn English in school. So if you have an English qualification certificate after graduation, you will be able to find a job well in society, and the salary will be high. It is usually very convenient to study abr

5 certificates girls should have after graduation

05/24 1416

The dog days of summer are coming soon, please hurry up and take care of yourself. Dog days of summer. It is the best time to maintain health as the old man said. In this life, you must be healthy and take good care of yourself. Except health, nothing is yours. If you lose your h - DayDayNews

The dog days of summer are coming soon, please hurry up and take care of yourself. Dog days of summer. It is the best time to maintain health as the old man said. In this life, you must be healthy and take good care of yourself. Except health, nothing is yours. If you lose your h

For those who know how to maintain good health, time will not let you down. Yingzi shared a day's ingredients recipe

05/24 1743

Under normal circumstances, most people will envy experts. Those strong people have a unique perspective on problems, have novel analysis points, and make accurate judgments. They are knowledgeable, have great energy, are good at dancing, and feel like a fish in water. When they - DayDayNews

Under normal circumstances, most people will envy experts. Those strong people have a unique perspective on problems, have novel analysis points, and make accurate judgments. They are knowledgeable, have great energy, are good at dancing, and feel like a fish in water. When they

One step further is profound (original)

05/24 1690

Social networking is actually to make our lives more convenient. When we provide convenience for others, we are also helping ourselves, as the ancients said, God helps those who help. - DayDayNews

Social networking is actually to make our lives more convenient. When we provide convenience for others, we are also helping ourselves, as the ancients said, God helps those who help.

It turns out that social networking has such a powerful power

05/24 1780