<span>There wasn't many vaccinations back in the day and medicine slowly developed through years passing by. Also eras such as the Black plague and others really helped develop medicines and vaccinations moving forward for people to use.
Hope this helps.</span><span />
They can be replaced naturally.
Answer:
The major things affecting all natural hazards are; 1. Natural factors - things like rock type (geology) in an earthquake, the shape of a coastline in a tsunami, the height of the land hit by a tsunami can influence the effects.
Explanation:
The Indonesian name for Borneo is b. Kalimantan.
Answer:
Overfishing and Destructive Fishing Methods. Overfishing by commercial producers in shallow waters depletes species of fish which are vital to the health of the reef ecosystem. ...
Climate Change. Global warming, the cause of so many ills in our natural environment, has had a terrible impact on coral reefs. ...
Tourism. ...
Pollution.
Explanation:
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