Eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not.
The first can be filled with an element and the second blank can be filled with a compound.
Iron is an element as it contains only one kind of atom, which combines with the oxygen from the air to produce rust, that is, iron oxide. The rust comprises two kinds of atoms, which signifies that it is a compound. A compound refers to a molecule that comprises at least two types of atoms. In the case, iron oxide is a compound as it comprises Fe and O atom.
Answer:
Hi, so the Great Plains are made of sedimentary rock and were subducted and melted to magma which cooled to igneous rock, was uplifted and then formed the Rocky Mountains.
Explanation:
Basically it melted then cooled into igneous rock then was lifted and formed the rocky mountains!
-Hailey :)
Explanation:
mutations occur at some time during a person's life and are present only in certain cells, not in every cell in the body. These changes can be caused by environmental factors such as ultraviolet radiation from the sun, or can occur if an error is made as DNA copies itself during cell division.
