Answer:
Does not require energy
Explanation:
As said in the name, passive transport is passive and requires no extra energy to transport chemicals through cell walls.
Explanation:
yes the 4th one is right so yes the one you have is right
This is so hard! Sorry can't help :(
Answer:
The energy of a wave is directly proportional to its frequency, but inversely proportional to its wavelength. In other words, the greater the energy, the larger the frequency and the shorter (smaller) the wavelength.