Fill In the blanks:
__ is the sum of kinetic energy and potential energy.

Explanation

To fill in the blank in the statement "____ is the sum of kinetic energy and potential energy," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Terms**:
- Kinetic Energy: This is the energy that an object possesses due to its motion. The faster an object moves, the more kinetic energy it has.
- Potential Energy: This is the energy stored in an object due to its position or shape. For example, a rock held at a height has gravitational potential energy.

...