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Ksju [112]
3 years ago
8

Which phrases describe radioactive elements? Check all that apply.

Geography
2 answers:
Lyrx [107]3 years ago
5 0
Has a half life with
Tema [17]3 years ago
5 0

The phrases that describe radioactive elements are;

-occur in nature

-decay at a constant rate

- have a half-life that determines their rate of decay

Radioactive elements are elements whose nucleus are liable to decay overtime followed by the release of energy (alpha particles, beta particles, or gamma rays) and conversion to different elements. Every element that has atomic number greater than 83 is radioactive. Most radioactive elements occur in nature. Examples include uranium, radium and thorium. Radioactive elements have a half-life that determines their rate of decay

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Explanation:

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Answer:

Ukraine and Germany

Explanation:

Spiders may seem like a more specific Halloween ornament, but eight-legged creatures actually play an important role in other parties. We have discovered the tradition of "Christmas spiders."

It is based on a European folk tale that has been attributed to several countries, often Ukraine and Germany. In a version of the Christmas spider story, a widowed mother and her children were too poor to decorate their Christmas tree, and friendly spiders wove elaborate nets on a fir tree. When the family woke up on Christmas morning, they opened the curtains and sunlight illuminated the cobwebs, turning them into silver and gold (sometimes it is said to be the origin of the garlands). The family had good fortune thereafter. Other versions affirm that it was Santa Claus or Jesus himself who transformed the networks so that they did not bother the mother.

It is likely that the legend is related to the idea that spiders give good luck. Whatever the real reason, according to various sources, Ukrainians decorate their Christmas trees with spider-shaped ornaments (often made of precious stones) to this day

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