Because an organism with a genetic variation may have better chances of breeding and passing on that trait if the trait is beneficial to the survival of that organism. This leads to that trait being passed on and becoming wide-spread over generations of reproduction; natural selection.
<span>2. x-rays result from the decay of an excited nucleus (one which has a higher energy than the usual energy) without changing the mass or atomic number of...
</span><span>X-rays are fast and and simple method of imaging recommended by most of the doctors nowadays, it is painless and doesn't require much preparation and also doesn't require recovery time after having x-rays. The only time that x-rays become dangerous to a persons health is when they are exposed too much of radiation however, this risk is very low.</span>
Answer:
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Explanation:
False, because they have different masses. The ball with then heavier mass will land first. The ball with the lighter mass will land second.
The correct answer of the given question above would be SECONDARY SUCCESSION. If <span>a tornado destroys a deciduous forest, the kind of succession that follows is called a secondary succession. Secondary succession is defined as process which is started by a specific event, whether it is a hurricane, tornado or fire, that decreases the already established ecosystem. Hope this answer helps.</span>
