Answer:
Mitochondria The eukaryotic cell structure where cellular respiration occurs because they are are organelles whose membranes are specialized for aerobic respiration.
The green house effect is a natural process that warms the Earth surface.
((Carbon dioxide))
The amoeba is a eukaryote whose bodies most often consist of a single cell.
The cells of amoebae, like those of other eukaryotes, possess certain characteristic features. For example:-
1. Their cytoplasm and cellular contents are enclosed within a cell membrane.
2. Their DNA is packaged into a central cellular compartment called the nucleus.
3. They contain specialized structures called organelles, which execute a range of cellular functions including energy production and protein transport.
Answer:
I believe the answer is 3
Explanation: