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Eddi Din [679]
3 years ago
7

Warm water rises because it is ............ than cool water.

Biology
2 answers:
KengaRu [80]3 years ago
4 0

Answer:

I'm pretty sure the answer is D.) Less Dense

Explanation:

Komok [63]3 years ago
3 0

Answer:

d) less dense

Explanation:

When fluids (liquids and gases) are heated, they expand and therefore become less dense. Any object or substance that is less dense than a fluid will float in that fluid, so hot water rises (floats) in colder water.

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Ali Kashif, a recent immigrant, is admitted for continued treatment of CHF. During the assessment, he reveals that he has been u
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By pairing the ringing of a bell with the presentation of meat, Pavlov trained dogs to salivate to the sound of a bell even when
Mama L [17]

Answer:

Unconditioned stimulus.

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3 0
3 years ago
What animal has the best hearing​
maks197457 [2]

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Moth has the best hearing among both animals and humans

7 0
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Answer:

C. Joining of self-replication molecules into protocells.

Explanation:

For the origin of life, at least three conditions are needed.  

  • there must have been a supply of replicators, that is, self-replicating molecules.
  • copying of these replicators must have been subject to error through mutation.
  • the system of replicators must have required a continuous supply of free energy and partial isolation from the general environment.

The radiation received from the sun on the early earth must have fulfilled the requirement of mutation. The mutation is necessary for bringing variation in the genetic material thus driving evolution. To protect the self-replicating molecules from the external environment and to keep them together, the molecules must have been enclosed in a membrane barrier, which should be selectively semipermeable, to facilitate the exchange of molecules.

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3 years ago
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