Answer:
Substance
<u>Review</u>:
⇒ One of a class of substances that cannot be separated into simpler substances by chemical means.
<u>Compound</u>:
⇒ A pure substance composed of two or more elements who composition is constant.
Red blood cells do not have a nucleus.
It does not consist of a cell membrane or a cytoplasm.
It simply only transports oxygen around the body.
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<span>Thy hyaline cartilage covers and protects the ends of bones at freely movable joints. The hyaline cartilage contains elements that are found commonly in areas such as the ear. It is made this way because it is very elastic allowing the joints it is covering to have more flexibility.</span>
Answer:
a thick layer of fat
Explanation:
because weather is temperate, animals need a fat layer 2 keep warm, if there is no food available, it's fat layer essentially gives it energy when food is scarce, or hibernation occurs...
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.
