Answer:
An electric current in the gas excites mercury vapor, which produces short-wave ultraviolet light that then causes a phosphor coating on the inside of the lamp to glow. A fluorescent lamp converts electrical energy into useful light much more efficiently than incandescent lamps.
<span>Biologist study life to the extent to which </span>they can uncover, unearth and investigate unseen, latent and concealed life forms that are still many in number, these crawling and under the water creatures. And in experimental sense, many biologists are guided by theethics in researching life forms<span>. This is to protect and inhibit other biologist in killing thousands of these living organisms and prevent them from becoming extinct. Remember that </span>biologists or any other scientists study because of knowledge and to contribute to the scientific world of making the ecosystem including us into a much better and cultured place and not the opposite<span>. </span>
<span>Hence, there are </span>non-experimental and experimental approaches which are all subject to ethics<span>. In exploring life forms, it is quite unlimited but studying life forms in experimental sense, it is somehow depends on the number of species that the biologists’ study.<span>
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Answer:
c
Explanation:
well my mom helped me with it because she is a doctor
Answer:
For example, the respiratory and circulatory systems work together to provide the body with oxygen and to rid the body of carbon dioxide. The lungs provide a place where oxygen can reach the blood and carbon dioxide can be removed from it. Each of your body systems relies on the others to work well. Your respiratory system relies on your circulatory system to deliver the oxygen it gathers, while the muscles of your heart cannot function without the oxygen they receive from your lungs. ... Your circulatory system delivers oxygen-rich blood to your bones.
Explanation:
because different scientists have different theories or explainatons on how the universe came into being so that's why the origin of the universe is still a question
hope this helps
