Answer:
B
Explanation:
Birds are vertebrates and they also have feathers and reproduce by laying eggs. Additionally, they are also warm blooded.
Answer:
beneath the liver and righiside of abdomen
You can also find photosynthesis, the carbon cycle, the water cycle and others
Electromagnetic waves are waves that have no medium to travel whereas mechanical waves need a medium for its transmission. Electromagnetic waves travel in a vacuum whereas mechanical waves do not
Answer: by shared characteristics
Explanation:
Such as appearance and movement.
