Answer:
D: Black hole
Explanation:
The formation and life cycle of stars
A nebula. A star forms from massive clouds of dust and gas in space, also known as a nebula. ...
Protostar. As the mass falls together it gets hot. ...
Main sequence star. ...
Red giant star. ...
White dwarf. ...
Supernova. ...
A neutron star or black hole.
1. Calcium carbonate minerals are the building blocks for the skeletons and shells of mini marine organisms. It is important to ocean creatures because they make their shells out of this material. Examples of animal products that are primarily of calcium carbonate include seashells, egg shells, pearls, and notably coral
Answer:
The gene that controls production of white blood cells.
Explanation:Gene expression within the body is controlled by the cells, which determine when a specific gene should or should not be expressed. Influenza (the flu) is caused by a virus that attacks the respiratory system
Answer: Mitochondria release energy by the breakdown of the organic food and produce carbon dioxide and water. Chloroplast helps in storing the energy and uses carbon dioxide and water to make glucose (energy).
Explanation:
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