Answer:
gravel, sand, silt, and clay which is called alluvium
Explanation:
Free African Americans were allowed to hold low paid jobs during the 1840s and 1850s.
Explanation:
Slavery prevailed during the period of 1840s and 1850s. Though African Americans were freed after the emancipation proclamation, there were black codes that were establish which curtailed the opportunities for the African Americans to hold highly paid jobs.
Though they were skilled craftsmen and artisans, they were considers to be professional rivals against the whites and hence they were given low paid jobs. They were employed as barbers, but many blacks when denied jobs had opened gambling houses and started to earn in an illegal manner. They were also working in laundry and many were paddlers.
Answer:I did this but I don’t remember sorry
Explanation:
Sorry
They were against it, and thought that it was too lenient for Germany and such.
The vast improvements made in the field of medicine have served to lengthen our life expectancy and to reduce the rate of infant mortality.
The discovery of mechanization, better seeds, better techniques of irrigation and pest control, has worked to increase productivity levels on farms.
In transportation, railway, modern ocean liner, jet plane, and motor vehicle have made our lives more comfortable and provided great possibilities for modern commercial development and industrialization.
The invention of the computer has assisted the process of calculation in laboratories
Technology has made communication much simpler in recent times.
Science has brought about groundbreaking solutions to numerous deadly diseases.
Man is able to explore the space extensively because of the wide-scale development in technology.
Our life has become healthier and longer.
Modern hygiene, sanitation, medicine and surgery are conquering more and more physical and mental ills day by day. We now know and experience the joys of good health and longevity.
Disadvantages of Science and Technology
Machines have led to unemployment.
They have polluted water and atmosphere. They have caused noise pollution.
Factories have led to slums where human beings live in squalor.
Our moral and spiritual progress has failed to keep pace with our scientific progress.
We have allowed science to master us instead of using it as our servant.
Machines make us mechanical, deaden our sensibilities, stifle our creative talents, force mechanical regularity, uniformity and boredom upon us, increase our wants and desires, and tend to make us selfish, greedy and cr
