The skeleton of a shark is made out of cartilage.
They are classified as specific phobias. This specific phobia is a disorder where it sends irrational feelings to your body. Where someone could avoid someone, or even a direct contact with certain objects, these specific phobias are usually caused by a panic attack and even a negative experience.
First is the Nebula, a cloud of gas and dust in space where stars are born.
Second is a Star, Luminous globe of gas producing its own heat and light through nuclear reactions.
Third is Red Giant, a large bright star with cool surface, it is formed during the later stage of evolution of a star like our sun.
Fourth is the Red Dwarf, which is very cool, faint and small star.
Fifth is White Dwarf, this is a very small and the last stage in the life cycle of a star.
Sixth is the Supernova, the explosive death of a star
Lastly is the Blackhole, where it is believe to form from a massive stars at the end of their times
Answer:
lower activation energy
brainliest is appreciated
Explanation:
Catalysts make such a breaking and rebuilding happen more efficiently. They do this by lowering the activation energy for the chemical reaction. Activation energy is the amount of energy needed to allow the chemical reaction to occur. The catalyst just changes the path to the new chemical partnership.2
To build a complete picture of the animals and plants that were living at a particular time in the past. ... In addition, the rock itself provides much useful information about the environment in which it and the fossils were formed.
