What is dna methylation and what is the effect of dna methylation on gene expression? how is dna methylation used during mismatch repair? explain the idea of epigenetic regulation of gene expression

How does central place theory explain patterns in the size and distribution of cities?

Which statements describe sustainable development? multiple answer choice -fishing does not remove more fish from water systems than can be replaced by the number of fish that will be born to replace them. -sustainable development is development that is designed to improve the economic conditions in less-developed countries. -sustainable development is mainly a regional issue. -sustainable development means water is used at a rate that won't reduce the amount available for future use. - sustainable development policies only need to be concerned with environmental protection. - trees cannot be cut down faster than the number that will be replaced by new growth.

Name two factors that, "power of magnetic field " of earth.