Explanation:
Summary. Chemical properties are properties that can be measured or observed only when matter undergoes a change to become an entirely different kind of matter. They include reactivity, flammability, and the ability to rust.
Answer:
They consist mainly of iron-nickel metal with small amounts of sulphide and carbide minerals. During the decay of radioactive elements in the early history of the solar system, many asteroids melted and the iron they contained, being dense, sank to the centre to form a metallic core.
Explanation:
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Answer:
i dont know but
Explanation:
Submerged native plants became shaded and often die. Water hyacinth is native to South America, the only continent where natural predators such as weevils and moths keep it at bay. The plants can reproduce using a process called fragmentation
