Answer:
The lungs look like smokers lungs on the right
The answers are:
- They are formed above Earth's surface - sedimentary rock.
- They form in Earth's crust or mantle - intrusive igneous rock.
- They are solid at room temperature - both.
- They are made of molten rocks called magma - intrusive igneous rock.
- They are made of weathered pieces of rock - sedimentary rock.
- They have a diverse composition. They may contain many types of minerals - both.
Answer:
21%
Explanation:
To remember this percentage, use the amount of land and water on earth, like this: 3 (land) x 7 (water) = 21
(note: oxygen does not change depending on land or water amount)
C. all cells must be able to make their own food
