Environment is related to:

The term 'environment' broadly refers to the sum of all external conditions and influences affecting the life and development of an organism or ecosystem. It is a holistic concept, integrating various natural sciences.

• Geology is intrinsically related as it studies the Earth's solid features, including landforms, rocks, and soil, which form the physical foundation of many environments.
• The Atmosphere, the gaseous envelope surrounding Earth, is crucial for climate, weather patterns, and sustaining life, making it a fundamental environmental component.
• Hydrology, the study of water's movement, distribution, and quality, is directly linked to the environment through oceans, rivers, lakes, and groundwater, all vital for ecosystems.

Since the environment encompasses the lithosphere (geology), atmosphere, and hydrosphere (hydrology), along with the biosphere, all these disciplines are interconnected and essential for understanding environmental systems. Therefore, 'All of these' is the correct and comprehensive answer.