Answer:
A natural disaster is an event caused by natural processes of the Earth. Such as floods, hurricanes, tornadoes, volcanic eruptions, earthquakes, tsunamis, etc.
Explanation:
If the reaction is endothermic, it means that there is a need for heat to be supplied together with the reactants for the reaction to occur. According to Le Chatelier's principle, increasing the temperature of an endothermic reaction will produce more products. Thus, the answer letter B.
Answer:
Cover your nose and mouth with a tissue when sneezing, coughing or blowing your nose.
Discard used tissues in the trash as soon as you can.
Always wash your hands after sneezing, blowing your nose, or coughing, or after touching used tissues or handkerchiefs.
Use warm water and soap to wash your hands. If you don’t have soap and water, use alcohol-base hand gel or disposable wipes.
Try to stay home if you have a cough and fever.
See your doctor as soon as you can if you have a cough and fever, and follow their instructions. Take medicine as prescribed and get lots of rest.
If asked, use face masks provided in your doctor’s office or clinic’s waiting room. Follow office or clinic staff instructions to help stop the spread of germs.
Explanation:
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Virus Structure
Viruses are very small. They are usually 17 to 400 nanometres in diameter. This is about 1000 times smaller than the diameter of a human hair. They are even 100 times smaller than most bacteria
17) Virus are . 100. times smaller than bacteria.