Answer:
Sound is a mechanical wave that results from the back and forth vibration of the particles of the medium through which the sound wave is moving. The motion of the particles is parallel (and anti-parallel) to the direction of the energy transport. This is what characterizes sound waves in air as longitudinal waves.
Biotic and abiotic factors make up a community via interaction. Biotic factors are considered living things (having "life") while abiotic factors are simply non-living things. In this case, among the list of components given, the abiotic factors are <span>water, rock, soil, sun</span>
Most triple their body weight when they’re a year old.
The heart,lungs and brain begin to form during the embryonic period of prenatal development.
It could be Microfilaments,<span>Intermediate filaments, or
A specific protein is Tubulin!</span>
