Answer:
land features: fostered eastern valleys. western mountains and central plains.
water features: black-blue lakes, numerous rivers and swamps.
climate: very cold winters and short cool summers.
location: North America bordering the north Atlantic ocean to the east, North pacific ocean on the west and Artic ocean on the North.
natural recourses: energy, mineral and timber, natural gas and coal.
Explanation:
Scientists believe that increased pollution may cause global warming because pollution includes greenhouse gases, which trap heat in the Earth’s atmosphere.
Option B
<u>Explanation</u>:
When the average temperature of earth increases and rises continuously above the normal value for a long period of time the it is referred as global warming.
Human beings are major cause in increasing pollution by various means whether its chemical industrial metallic or any other type of pollution. The major contributing factor in aiding pollution is the smoke from factories or vehicles which increases the carbon dioxide level above normal and when these gases rises they are trapped inside the earth surface and produce a green house effect. This is the main reason that scientists think aboutglobal warming.
Answer:
hope it becomes helpful to you ☺️
Explanation:
The troposphere is wider at the equator (10mi) than at the poles (5mi). ... Water vapor concentration varies from trace amounts in Polar Regions to nearly 4 percent in the tropics. Most prevalent gases are nitrogen (78 percent) and oxygen (21 percent), with the remaining 1- percent consisting of argon,).
Answer:
In most states, state offices include: Governor, Lieutenant Governor, Secretary of State, and Attorney General, State Supreme Court Justices, Comptroller, Treasurer, State Senators, and State Legislators. These officials are elected by the voters of the districts they serve.
Answer:
A: declare sovereignty in a document,such as the Declaration of Independence.
Explanation:
Hopefully this helps!
