The element starts off as 100%. half of 100% is 50% and half of 50% is 25%. the element has emitted 2 times the half life which is 10,000 x 2 = 20,000
the fossil bone is 20,000 years old
<span>Remember that, "it's just a theory" so it might end up not being correct unless shown by strong scientific support and evidence
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So it should be C.) <span>Never become laws; based on strong scientific support; may change based on evidence.
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A place where animals and plants are protected is an ecosystem
Answer:
Energy comes from different sources such as oil, coal the wind and the sun.
Answer:The Rainforest mesocosm, at the north end of Biosphere 2, was created to simulate several tropical Rainforest habitats. The biome can be divided into the following habitats: Bamboo belt of dense bamboo species was intended to screen the biome from airborne salt that might be entrained from the ocean biome.
Explanation: yes
