It is pretty simple which part are u confused by?
Answer:
You can measure mineral hardness with The Mohs' Scale.
Hope this helped :)
Air pollution is a type of environmental pollution that affects the air and is usually caused by smoke or other harmful gases, mainly oxides of carbon, sulphur and nitrogen. In other words, air pollution is the contamination of air due to the presence or introduction of a substance which has a poisonous effect.
Air pollution can also cause long-term damage to people's nerves, brain, kidneys, liver, and other organs.
<h2> Slave Economy of Cotton Plantation </h2>
Explanation:
- By 1850, of the 3.2 million oppressed individuals in the nation's fifteen slave states, 1.8 million were creating cotton. By 1850, of the 3.2 million oppressed individuals in the nation's fifteen slave states, For sure, American cotton before long made up 66% of the worldwide stockpile, and creation kept on taking off. 1.8 million were creating cotton
- About 75% of the cotton created in the United States was in the end traded abroad. Despite the fact that the bigger American and Atlantic markets depended on southern cotton right now, South likewise relied upon these business sectors for acquiring nourishment, produced merchandise, and credits. Hence, the market transformation changed the South similarly as it had a different region
They are called microscopic anatomy as the cell, tissues and organs are internal and needs a microscope for it to be seen inside the body.
