Drag each label to the correct image. Match each of Earth's spheres to the materials that make up the sphere.
atmosphere
hydrosphere
biosphere
geosphere

Must be negative.substance increases

Answer(false);

Each calcium ion has a charge of +2, which can also be written as ca2+. if those ions move out of the neuron and no other ions are moving, the neuron would lose the positive charge associated with those ions and become more negatively charged.