Answer:
In the United States the Black Codes were laws passed by democrat-controlled Southern states in 1865-1866 after the Civil War. These laws kept African Americans from having rights, and also compelling them to work in a labor economy based on low wages or depth black codes were part of a larger pattern of southern whites trying to suppress the new freedom of emancipated African American slaves.
Explanation:
Mary would start with a hypothesis such as, "I believe that plants with no soil will not grow because there are no nutrients coming from the soil for the plant to grow"
Then she would put the plan in place to start her experiment. She will get the same type of seeds, the same amount of water and sunlight. The only difference between the 3 plants is that one plant will have no soil, the second plant will have 1 inch of soil, the third plant will have the correct amount of soil.
She will run the experiment for 2 weeks to see whether the plants have grown and what the conclusion is. She will record how much the plants have grown every day, she will measure the height of each plant.
At the end of 2 weeks, she will gather all her data and come to a conclusion.
<span>D) they used rivers and bodies of water for food and for trade.</span>
Answer:
okay
Explanation:
the question is still here
There are many of them but the most common are:
1.) Photosynthesis
2.) Solar Energy
3.)Thermochemical Reactions
