Answer:
1. Micro-organism
Explanation:
Micro organism are disease causing agents,which cannot be seen with the human naked eyes. The use of of magnification lens or microscope goes a long way in making them visible.
People living within the Australia's major city are exposed to a lot of disease causing organism than those who stays outside the city.
A city is been define as a collection of heterogeneous set of people,and a key criteria is it's population.
Daily business activities within the city surpasses that which happens outside the city.The handling of door knobs,elevators buttons ,stair rails and other common objects which can be touched by humans,there by making the transmission and inhabitation of fungi,viruses and bacterial infection more likely within the major cities.
Answer:
i am not too sure but I believe it is c
Answer:
There are various reasons.
Explanation:
very cold temperatures - the water can be colder than expected, even in warm weather
hidden currents - there can be strong underwater currents, which can trouble even the most confident of swimmers
reservoirs are often very deep - it is difficult to estimate depth and they can be deeper than people expect
there may be hidden debris or underwater hazards which can cause injury, including weeds and plants which can entangle people under the water
if it’s polluted it could make you ill
it can be very difficult to get out (especially steep slimy banks)
there are no lifeguards on duty
the remoteness of some of these places can also hamper and delay rescue attempts
I hope that helped!
C is not a tip! You should never go alone in case of an emergency!
Answer:
1-3 2-7 4-5 6-8
Explanation:
this is proven because boy friend is a