Answer: Examples of beneficial mutations are HIV resistance, lactose tolerance, and trichromatic vision.
The leaching of nitrates into terrestrial ecosystems.
Answer:
Mate two dogs that have the desired trait
Explanation:
In order to breed dogs for a particular trait one ought to mate two dogs that have the desired trait. This process is referred to as artificial selection or selective breeding.
Selective breeding refers to a process by which new organisms with desirable characteristics or traits are developed. Breeders select two parents having the desired phenotypic trait to reproduce thus yielding offspring with the desired trait.
<span>The correct answer is a substance freezes. That is because this is a change of a physical property, not a chemical one. This shows that the chemical is still exactly the same and will react the same, it is only different in its state of matter, which is irellevant for its chemical properties. It will still react the way it's supposed to react when combined with other chemicals.</span>
The answer for this question is b :)
