I strongly believe that printed maps are not obsolete and are still necessary now that we have technology, because it is still used in schools and some homes to get acquainted. Also Technologies could be altered but the printed maps remain the same.
<h3>Meaning of Maps</h3>
A map can be defined as a visual or diagrammatic representation of places and their features using symbols that are decodable by the reader
A map serves as a means to understand ones location as well as a guide to a place or location.
In conclusion, though printed maps are loosing their worth in present day, it is still important that we keep them.
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The correct answer is fire extinguisher.
Before someone starts to fuel a boat there should be fire extinguisher.
When a person is fueling the fuel might overfill and spill the fuel into engine or to passenger compartment and this can increase the risk of fire explosion and if spilling fuel to the water will harm the marine environment that is why a person should have fire extinguisher when fueling.
Some precautions which are taken when refueling are,
1. Refueling should be done on daylight when artificial light is not needed.
2. When refueling a person should not smoke.
3. Portable tank should be refueled in the tank and not in the boat.
Answer:
d
Explanation:
Helper T cell and inflammatory T cell TCRs recognise epitopes displayed by MHC class II molecules on the surface of antigen-presenting immune cells, including: macrophages that engulf foreign particles such as bacteria; dendritic cells that present antigen to T cells; and B cells that produce antibodies.