For the environmental risk, it is much better to prevent pollution than to deal with it after it has already been made. When you deal with the pollution, it is hard to say that you can eliminate completely. So, prevention is the first strategy.
Excess Nitrates in the water supply
Answer:
a. enclosing their DNA in a nucleus.
Explanation:
Prokaryotes in general have no membrane bound organelles. The cells are enclosed in a plasma membrane though .
Answer:
Both muscular and skeletal system work together to make the organisms move from one place to another.
Explanation:
Skeletal system consist of bones which provides shape and supports to the body. It also provides protection to the delicate organs such as brain, lungs and heart etc. Bones are attached with one another with the help of muscles. All the vital organs are also made from muscles. These muscles helps the body to move, run, exercise and other movements and helps in the performance of your body.
You need to know that the various antibiotic drugs are not all equally effective in controlling the bacteriagrowth. Take for example the Staphylococcus aureus. Different antibiotic drugs can have different effects. The most effective antibiotic drug against that bacteria is Penicillin, because it controlled the growth of the bacteria the most. A second example is the Streptococcus penumoniae. With that bacetria the antibiotic drug that was the most effective was the Erythromycin. A third example is Hemophilus influenza. With this one the Erythromycin antibiotic drug is also the most effective. Have in mind that the smaller the diameter correlates with the effectiveness of controlling the bacterial growth. Some of the bacteria growth was stopped by antibiotic drugs, and some weren’t.
