Answer:
The difference between a natural and human factor is The plants and animals need the help of humans to eat and survive. Another major difference between a natural ecosystem and artificial ecosystems is diversity. Natural ecosystems contain more natural factors and organisms. Human design is thus an essential factor underlying all artificial ecosystems.
Explanation
The source of the sun's energy is known as ?
Answer:
radiant energy
Explanation:
because plants use the energy from the sun to manufacture food
Your science teacher gives you a glass jar filled with water, organic material, dirt, and small rocks. She asks you to shake the jar for one minute and allow it to rest overnight
How does this experiment prove the composition of soil?
A
All materials will remaindhoxed with the water in the glass jar
B
The particles will settle into layers with organic material on the top and rocks on bottom
с
The particles will settle into layers with rocks on the top and organic material on the top
D
The rocks will settle on the bottom and all other particles will remain mixed with the water.
Answer: B. The particles will settle into layers with organic material on the top and rocks on bottom
Explanation:
Soil contains different particles in it from various types of souls such as sand and silt to organic material. These particles have different weights and sizes and so can be separated by the glass jar experiment above.
With soil having larger particles. They will appear in the bottom of the jar and but the top will have decaying and partially decayed material.
QUESTION 34
According to lecture, currently a greater percentage of Americans identify as Christian than in the past,
True
False
Answer:
true .... have nice day....