We can get amino acids from eating food that contain proteins.
Proteins are made up of chains of amino acids. During digestion, the proteins are broken down into amino acids.
Answer:
tracheae
instead of lungs, insects breathe with a network of tiny tubes called tracheae
Insuilin, how many examples do you need?
Try reading the graph title or the graph axes (the lines up the side and along the bottom), this should say what the graph shows?
Wind turbines are inefficient for multiple reasons:
1) They depend on the wind in order to spine
2) they must spin 15 meters per second in order to produce the most energy possible which the conversion rate is around 50%
3) They are really expensive and are unreliable in some areas.
