The asthenosphere lies 80-200km below the surface under the lithosphere. Convection also occurs in the asthenosphere. The asthenosphere is mostly made of up rock material (magnesium and iron silicates). The asthenosphere makes up 6% of the mantle and lets the lithosphere move.

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5 0

3 years ago

A platypus has 26 types of chromosomes. How many total chromosomes would be present in an intestinal cell from a platypus?

Ivan

A total of 52 total chromosomes would be present in an intestinal cell from a platypus. Two copies of each chromosome will be found in the somatic cell of the platypus. Ten of the chromosomes will be the sex chromosomes.

4 0

3 years ago

A scientist is observing a eukarotic cell and a prokaryotic cell. Which structure could she only observe in the eukaryotic cell?

navik [9.2K]

Nucleus; Prokaryotic Cells do not have a nucleus, whereas Eukaryotic cells do

7 0

3 years ago

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As the hypothesis of sea-floor spreading predicts, the age of the ocean floor differs with location. What pattern does the ocean

Jobisdone [24]

Https://quizlet.com/50186971/geo105h-exam-1-flash-cards/

8 0

3 years ago