What is made mostly of liquid iron?

the core of the earth

Explanation: not sure if this isn’t in the wrong category or if you’re asking for something else, if this is t based around geology please don’t use this answer!

If it is correct a marking out of 5 stars and / or brainliest would be appreciated! :)

-efficient data acquisition

-medical data processing

-data analysis for research

-voice recognition systems

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.