There isn't a single element that "gives us life" in the sense of being the sole ingredient. Life is incredibly complex and depends on a combination of elements and molecules working together.

However, carbon is often called the "building block of life" for several reasons:

* Versatility: Carbon can form four bonds with other atoms, allowing it to create a wide variety of complex molecules, including the building blocks of proteins, carbohydrates, lipids, and nucleic acids (DNA and RNA).

* Found in all living things: All known life forms on Earth are carbon-based.

* Essential for energy storage and transfer: Carbohydrates, the primary energy source for most organisms, are based on carbon.

While carbon is crucial, it's essential to remember that life also depends on many other elements, including:

* Hydrogen: Part of water, which is vital for all life processes.

* Oxygen: Essential for respiration, the process of converting food into energy.

* Nitrogen: A key component of proteins and nucleic acids.

* Phosphorus: Found in DNA, RNA, and ATP (the energy currency of cells).

* Sulphur: Present in many proteins and enzymes.

So, while carbon is a key element, it's not the only one. Life arises from the complex interplay of many elements and molecules.