D)Heat within Earth
Explanation:
The heat from within the earth is as a result of plate tectonics. Plates on the earth are driven by heat within the earth through convection currents.
- Plate tectonics suggests that the earth are broken into slabs that moves on the weak and ductile material called asthenosphere.
- Heat from within the earth causes the melting of asthenosphere.
- The riding lithosphere which is cold will sink into the asthenoshpere.
- Hot mantle materials will move to the surface thereby setting up a convection current.
- Heat from within the earth rises to the surface due to plate movement.
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Lithosphere brainly.com/question/9582362
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Answer: A semi-permeable membrane is that which only allows certain
substances to pass through.
The tiny solid particles which play in the cloud formation are solvents.
Answer:
a. transcription/RNA processing
: pre-mRNA, snRNA
b. translation
: mRNA, rRNA,
c. not used in protein synthesis: RNA primers
Explanation:
pre-mRNA, mRNA, rRNA, RNA primers, snRNA
a. transcription/RNA processing
: pre-mRNA, snRNA
b. translation
: mRNA, rRNA,
c. not used in protein synthesis: RNA primers
The pre mRNA the product after transcription from the DNA is processed eg by addition of poly A tail, splicing etc before undergoing the process of translation, the snRNA also help in performing this function. In translation, the mRNA is trnslated to proteiin in the ribosomes which is also made up of rRNA and proteins. RNA primers is not needed in any of these two, only i DNA replication as the DNA polymerase is uable to begin the synthesis of adding nucleotides to a DNA strand.
Answer:...................................................
Explanation:.......................
