Infection is the invasion of an organism's body tissues by disease-causing agents, their multiplication, and the reaction of host tissues to these organisms and the toxins they produce. Infectious disease, also known as transmissible disease or communicable disease, is illness resulting from an infection.
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Answers: the plant under the uv light for eight hours is <u><em>
experimental group </em></u></h3><h3>
The amount of water that is given to all of the plants is</h3><h3><u><em>
controlled variable </em></u></h3><h3><u><em>
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The plants that are under the light for six hours</h3>
<u><em>control group</em></u>
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Answer:
Carbon dioxide has also increased over the last 100 years-- from about 300 ppm to 370 ppm.
Explanation:
Answer:
Mutagens can be described as substances which cause mutation. Mutations can be described as any changes in the DNA of an organism.
Mutations can be introduced by chemicals or naturally.
Mutagens which can cause mutations are:
- X-rays
- Ultraviolet radiation
- Chemical mutagens such as Alkylating agents such as ethylnitrosourea.
- Certain Alkaloid
- Bromine
