A person has 22 pairs of autos ones and two X chromosomes. What is the person’s gender

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.

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient