Answer:
go help me on my 3 question please
Wave velocity in common usage refers to speed, although, properly, velocity implies both speed and direction. The velocity of a wave is equal to the product of its wavelength and frequency (number of vibrations per second) and is independent of its intensity.
Explanation:
The retina and optic nerve are part of the central nervous system, as they are derived from the neural tube. We know that oligodendroglia provide myelin for the central nervous system and Schwann cells provide myelin for the peripheral nervous system. Therefore, oliogodendroglial cells must provide the myelin for the optic nerve.
The bat is the most qualified in being the secondary consumer. Cat eats bat, bat eats insect, insect eats leaf.
Answer:
A PLANET
Explanation: BECAUSE THATS HOW WE GET DAY AND NIGHT PEOPLE IT TELLS YOU IN THE TEXT READ IT PAETTENTION
Think of a sponge. The more porous (ability to absorb, what happens to that sponge?) it is more permeable (ability to move). A