Two coronary arteries (2)
Inside our Earth
True
He
Femur
Photosynthesis
Eight planets in our solar system (8)
The nucleus
Electrical
One
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Two coronary arteries (2)
Inside our Earth
True
He
Femur
Photosynthesis
Eight planets in our solar system (8)
The nucleus
Electrical
One
A large group of wind turbines
Pitch
Photovoltaic cell
Neil Armstrong
Krypton