Answer:
i guess its example of observation
Answer:
1+1=2 Unless this is a trick question. Then it's most likely 11.
Explanation:
Yes, anything that lives. Cells have a nucleus, they are alive and can reproduce. (Not man made/abiotic)
The greenhouse effect is rightly called that because greenhouses allow heat to enter, but doesn't allow heat to leave, which warms plants.
On earth however, it's much bigger. Our own atmosphere acts similarly to this; it allows heat in, but doesn't allow it to leave which heats up the planet and causes global warming.
