<span>Cancerous tumors are divided into broad groups on the basis of the particular type of tissue from which the tumor cells arise. this is called histogenesis.
</span><span>Tumors are of different types, some are cancerous and some are benign (non-cancerous). In a disease of cancer, there is an abnormal cell growth. It is characterized as out of control cell growth.</span>
Answer:
answer is asteroids and comets
Explanation:
Planets and Meteors: a planet is far larger than a meteor
Moons and Meteors: a moon is larger than a meteor
Comets and planets: a planet is far larger than a comet
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Viruses depend on the host cells that they infect to reproduce. When found outside of host cells, viruses exist as a protein coat etc.
true.
