Answer:
Ionizing radiation comes from these main sources:
Nuclear reactions in the Earth's sun and stars in space.
Radioactive decay in the body's tissues and in the soil.
Radioactive decay of unstable elements in rocks, especially rocks that contain radium and release radon gas.
Other examples of ionizing radiation include alpha, beta, and gamma rays from radioactive decay.
An aqueous environment is made up of water molecules. The word aqueous means or pertains to water or dissolved in water. In an aqueous solution, water serves as solvent. Types of aqueous solutions are acids and bases.
The answer is primary producers
