The first 3!!! Hope this helps
Answer:
200 percentage is the exact concentration
Answer:
A wave is a disturbance that carries energy from one place to another.
Explanation:
Wave is a periodical deformation that can spread in time and space. The wave can transmit the energy over distance, like for example ocean waves, that can go many kilometers not moving the water. The deformation of the wave is a movement of water that goes up and down.
The muscular<span>, </span>skeletal<span> and </span>nervous system<span> working together to create movement. i hope this help you </span>
In an ecosystem, predation<span> is a </span>biological interaction<span> where a </span>predator<span> (an organism that is hunting) feeds on its </span>prey<span> (the organism that is attacked).</span>[1]<span> Predators may or may not kill their prey prior to </span>feeding<span> on it, but the act of predation often results in the death of the prey and the eventual absorption of the prey's tissue through digestion. It could also constitute a chase, stalking, or attack of prey. </span>