Answer:
La energía del organismo vivo no se puede perder ni ganar del entorno externo.
Explanation:
Answer: c (HIV)
Explanation: Skin cancer, heart disease, and diabetes cannot be passed down unless it's hereditary though HIV being a sexually transmitted disease should be reported for that reason.
Answer:
The organ system
Explanation:
All those things you mentioned are part of the organ system, they work together.
You mean, the 'noble gases'?
In that case, they are located in the last column (group) of the periodic table, starting with Helium (He) at the top and all the way down to Radon (Ra). The column is referred to as Group 8.