Life would not exist. The ozone layer is keeping all the gasses from escaping into space. So, without the ozone layer, there would be no oxygen for animals or carbon dioxide for plants. The ozone layer also reflects space radiation and harmful UV rays back into space, preventing them getting into the Earth's atmosphere.
Answer : horse mare and a donkey jack hybrid of both
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Answer:
gas moves more freely because it has loosely arranged molecules
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Answer;
D.60 million years
Explanation;
The two species shared a common ancestor 60 million years ago, if the molecules found in these two species differ by a total of six mutations.
Mutation is a sudden, random spontaneous change that occur in the genetic make up of an organism or a cell.
If one mutation occurred after 10 million years;
Then six mutations will need (6 ×10) 60 million years.
Answer:
The chemical composition of the soil, the topography, and the presence of living organisms determines the quality of soil. In general, soil contains 40-45% inorganic matter, 5% organic matter, 25% water, and 25% air.
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