In this image of a volcano, which letter represents lava

Which part of a feedback mechanism is able to monitor the conditions outside of cells and usually uses nerve cells to relay this information to an intergrating center

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball