Which statement explains the four spheres? They are interconnected (they work together).
A change in one sphere will not affect any of the other spheres.

The correct answer is They are interconnected (they work together).

Explanation:

 Planet Earth contains four spheres that are connected to each other. They are:

The connection of these spheres is such that any change that occurs in one of these four spheres will automatically affect the others. These types of changes can be, for example, some natural disaster.

lab rats that ate more artifical sweeter gained more weight than those who ate sugar and they had “lower levels of a hormone called glp-1, which affects how full we feel.”