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Lapatulllka [165]
3 years ago
8

Which term describes materials that have large and connected pores, such as sand and gravel

Biology
2 answers:
Kay [80]3 years ago
6 0
The answer is Permeable.\
Serhud [2]3 years ago
5 0
The answer to your question is Permeable
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Answer:

A. solar energy in the rays of sunlight

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An element has a half-life of 30 years. If you start with 10g of this element, how many grams of this element would remain after
drek231 [11]

After two half-lives or 60 years, 7.5 g of the element will be left.

<u>Explanation:</u>

<u>Half-life:</u>

  • In simple words, Half-life can be defined as the amount of time needed for a quantity to fall to half its value as contained at the beginning of the time period.
  • In this problem the half-life of the element is thirty years, then after thirty years half of the sample would have decayed and half would be left as it is.
  • After thirty years (The first half-life ) 30 /2 = 15 g declines and 15 g remains disappeared.
  • And after another sixty years (The two half-lives) 15 /2 = 7.5 g declines and 7.5 g remains disappeared.
  • After two half-lives or 60 years, 7.5 g of the element will be left.
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3 years ago
Complete the following analogy. Family is to population, as house is to _____. niche habitat community biome
Arada [10]

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Habitat

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Just like a family in a house, a population lives in a habitat.

5 0
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The right lung has ________ lobes, and the left lung has ________ lobes.
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