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ipn [44]
3 years ago
7

Which extinction event included the disappearance of large land mammals?

Biology
1 answer:
ziro4ka [17]3 years ago
8 0
Ice age. It caused saber tooth and mammoth to die
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An investigator attempting to replicate Pasteur's swan-necked flask experiment has boiled a hay infusion for 1 hour. However, sh
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Answer:

Hay infusion refers to an amalgamation that can be formed by taking samples from different sources like rivers, lakes, ponds, and others. It is one of the best procedures that can elevate the density of the bacteria cell at any specific time interval.  

In the given case, even after boiling hay infusion for one hour, growth was observed in the flask after one day. It can be due to certain factors like the hay infusion may have been comprising some endospore, which is resistant to heat or may comprise some kinds of bacteria that can withstand high temperatures.  

Because of which, even after heating the infusion for one hour, it did not get influenced by the heat and got the chance to grow when it got optimum temperature again at the time when the sample was left as such.

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How can loss of biodiversity affect human health?
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I believe the answer is C.
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Which of the following expressions gives the heat of vaporization of the liquid
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(5000*85)/.06 J Celsius/kg
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Why is sleep important when it comes to learning?
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Answer: hey!

its important because it gives your brain a chance to rest and to reboot its self

Explanation: hope this helps (º–º)

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2 years ago
Which best describes the first organisms on Earth? A. Archaea with simple DNA B. Multicellular prokaryotes C. Simple eukaryotes
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The simplicity of the prokaryote bacteria cells can depict the origin of life. It is simply composed of microscopic unit enclosed in a plasma membrane and cell wall. The inside contains a small DNA molecule, ribosomes and cytoplasm (they have no organelles). They have been around for 2 billion years on earth before other organisms evolved from them.

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