Answer: B. Lungs
Explanation:
The lungs are the only organ in the body that can float on water.
The nucleus is the part of the cell, or organelle, that contains the genetic material and controls the cell's movement. It consists of the genetic material, the nucleoleus, and the nuclear membrane.
Nucleus- the nucleus controls all of the cells activities, including how the cell grows,develops,and divides.
Answer:
IT doesn't affect any organisms because the are habita's
Answer: D is right
Explanation: It seems both waves have same wavelength.
Because speed = wavelength · frequency (v = λf) and
f = v/λ, so frequency is same. Because period T = 1/ frequency, also periods are same. Wave Y has higher amplidude and its energy is greater.
