Your answer would be Why are Sea Lampreys a problem in the Great Lakes?
In the text, it explains the answer for this question. For the other three questions, it's asking for a factor of the paragraph rather than the whole thing. The whole paragraph explains the answers for all of the questions, so it's best to ask why are they causing problems.
Answer:
In photosynthesis LIGHT ENERGY drives electrons from a low energy state in water to a high energy state.
Explanation:
<em>Photosynthesis is the process used by plants, algae and cyanobacteria to utilize energy from sunlight and turn into chemical energy. </em>
<em>There are two types of this process: oxygenic photosynthesis and anoxygenic photosynthesis. The general principles of both of them is very similar, however oxygenic is the most regular to see in plants, algae and cyanobacteria.</em>
<em>The oxygenic photosynthesis begins when the light energy transfers electrons from water to carbon dioxide, so that carbohydrates can be produced. During this transfer, CO₂ is reduced or receive electrons and the water becomes oxidized, meaning, it loses electrons. The oxigen is produced along with carbohydrates.</em>
Any genetically engineered organisms is referred to as a transgenic organism.
A transgenic organism is any organism that was modified genetically or engineered by humans, for certain purposes, in this case, the function of the thale cress is to break down toxic metals in the water (cress plants grow on water).
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Transmission. West Nile virus is most commonly spread to people by the bite of an infected mosquito. Mosquitoes become infected when they feed on infected birds. Infected mosquitoes then spread West Nile virus to people and other animals by biting them.
In serial or tandem staging<span> schemes, the first </span>stage<span> is at the bottom and is usually the largest, the </span>second stage<span> and subsequent upper </span>stages<span> are above it, usually decreasing in size. In parallel </span>staging<span> schemes solid or liquid </span>rocket<span> boosters are used to assist with lift-off.</span>