<span>Radon may cause lung cancer when inhaled.
a: is formed by the breakdown of the ozone layer
b: may cause lung cancer when inhaled
c: binds with hemoglobin, preventing binding with oxygen
d: contributes to the breakdown of the ozone layer
e: in the atmosphere limits the availability of sunlight for plants</span>
Answer:
a 1.7 million year history of dinosaurs off the Mississippi River delta
Explanation:
The climate of Peru is tropical. It has a large variety of climate and weather, including deserts and mountain areas, but it is mostly subtropical climate with rainforests.
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There are seven provinces that are either entirely or partially located between 50 N and 60 N.
Explanation:
Canada is a vast country, in fact it is the second largest in the world. The country is located on high latitude, and more than half of its mainland territory is between the latitudes of 50 N and 60 N. The provinces are very large, and each of them is larger than big portion of the countries in the world. In the southern half of the country, the provinces tend to be arranged in an east to west manner, kind of by longitude.
- There are ten provinces in Canada.
- Seven out of the ten provinces are entirely or partially between the latitudes of 50 N and 60 N.
- The provinces located between these latitudes are Newfoundland, Quebec, Ontario, Manitoba, Saskatchewan, Alberta, and British Columbia.
- The three other provinces, Nunavut, North West Territory, and Yukon Territory, are located further north, mostly between 60 N and 70 N.
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La historia del atletismo puede ser tan antigua como la de la humanidad. Desde los tiempos primitivos, todo ser humano muestra una tendencia natural a poner a prueba sus recursos físicos, además de que para sobrevivir hacía falta correr detrás de la presa para posteriormente cazarla con el lanzamiento de una herramienta.
