Nabr +
ca(oh)2 →
cabr2 +
naoh
type of reaction:

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.