Answer: 30 year
Explanation:
The normal high temperature for a given day determined by the temperature of a place averaged over a period of time, often 30 years. This is also described as climate information. Climate information includes the statistical weather information that tells us about the normal weather, and also the range of weather extremes for a location. Most weather forecasters rely of past weather to predict the normal high temperature of a given day.
The average high or low temperature is the normalized high or low temperature for at least a 30 year period. Therefore, an average high is a statistical average. Records need to be kept at least 30 years for an average high temperature, for the information to be statistically meaningful.
Answer:
1. They usually host three or more ecosystems where animals can’t live.
4. They usually host one ecosystem with a variety of plants
Explanation:
A mountain ecosystem has more than one ecosystem. This is mainly due to the diversity of climate that this environment promotes. Due to its proximity to the ocean, slope and elevation, the mountain ecosystem promotes different areas that create different ecosystems, some more humid and others drier.
In this environment there is usually a wide variety of plants, but not animals.
It will start 5 years after the 20s
Answer:
About eight million people are reported to have died in the Cerro Rico since the year 1545. Reason being why the mountain has it second name to be popularly known as "the mountain that eats men".
It was also reported that four to five workers are being killed every month from mining accidents and mining related illness. Also, as miner numbers are increasing so the number of deaths.
Moreover, as more men are dying from mining accidents, another major causes of death in the Cerro Rico is silicosis. Silicosis is an incurable lung disease caused by inhaling large amounts of silica dust. It is was unfortunate that this is the biggest occupational hazard ever throughout the entire world.
