The nitrogen cycle could not exist without bacteria. Bacteria that lived inside the ground, catch the ntirogen that has been fixed and convert it into nitrate. This nitrate than used as a nutrients during photosynthesis from which the plants produce another fixed nitrogen and completed the cycle.
The recommended method for disposing of the insect that causes lyme disease is to drop it and 70% alcohol or diluted bleach.
Lyme disease is a disease that is caused by the bacterium Borrelia burgdorferi and is transmitted through the bite of infected black legged ticks in humans. Its symptoms include fatigue, headache, fever and a characteristic skin rash.
Physical science is concerned with the inorganic world, including physics, astronomy, certain types of chemistry, and generally, earth sciences. If it includes non-living things, it is physical science.
A- uracil, test prep question
A vaccine works by stimulating the immune system to produce antibodies without actually infecting someone with that disease. They trigger the immune system to produce its own antibodies as though the body has been infected with the disease. But a vaccine will not make someone immune to a disease, it will simply help the body be able fight the infection better.
