Yes, all birds have feathers. About 9,700 kinds of birds live on earth. All birds have feathers and wings but not all birds can fly. Birds have as many as 25,000 feathers and they shed their feathers at least once a year.
The answer is tree hope this helped :)
Biogenous sediment is sediment created from the shells of organisms that were once alive. These shells contain substances such as calcium, silicon and phosphorus. However, these shells do not contain manganese. Therefore, the answer is A. manganese nodules.
A) remain in the body after production
B) flag antigens for destruction
C) are an important part of the immune system
D) all of the above
D) ALL ARE CORRECT!!
Answer:
think about it as a wave
Explanation:
The first steps in this sensory process are the stimulation of light receptors in the eyes, conversion of the light stimuli or images into signals, and transmission of electrical signals containing the vision information from each eye to the brain through the optic nerves.
