What is homeostasis?

homeostasis is cell growth.
homeostasis maintains internal balance of the cell.
homeostasis is the cell response to its environment.
homeostasis is cell organization.

What is the magnitude of the resultant vector round your answer to the nearest tenth

What happens to an isotope during radioactive decay?

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.