1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
dusya [7]
3 years ago
11

How often does the Earth's magnetic field switch polarity? How often does the Earth's magnetic field switch polarity? every 100,

000 to several million years every 10,000 to 50,000 years every 10,000 to 100,000 years every 500,000 years
Geography
1 answer:
serg [7]3 years ago
3 0

Answer:

every 100,000 to several million years

Explanation:

This is the closest option. .

The last happened about 780,000 years ago and is called the Brunhes–Matuyama reversal.

You might be interested in
Dry area with sparse plant life
Svetach [21]

Answer:

Deserts

Explanation:

A desert is a region on the earth surface with little to no rainfall all year round. Deserts also experience a wide range of temperatures daily. During the day, temperature is very high, at night, temperature falls rapidly and it is cold.

These extremes of conditions coupled with some other factors makes deserts badlands for plant growth. The soil is very lose here and contains little to no nutrients. Organic matter is non-existent due to low biodiversity.

Plants that grow in such conditions are called xerophytes. An example is cactus. They have evolved to survive and adapt to such extremes of conditions.

Examples of such deserts around the world are Sahara desert, Namib desert, Atacama desert, Kalahari desert etc.

5 0
3 years ago
Read 2 more answers
Who coined the term geography write the definition given by Richard Hartshorne​
Oksanka [162]
Mark Brainliest please

Answer :



Explanation

The term geography was first coined by Eratosthenese, a Greek scholar (276-194 BC.). The word has been derived from two roots from Greek language geo (earth) and graphos (description).

Geography is concerned to provide accurate, orderly, and rational description and interpretation of the variable character of the earth's surface.” In his work, Perspectives on the Nature of Geography, he further clarified his position by stating that the goal of geography is comprehension of the earth's surface,
6 0
3 years ago
Discuss about population pyramid in detail .
polet [3.4K]

Answer:

population pyramids

Explanation:

Population pyramids show the structure of a population by comparing relative numbers of people in different age groups.

Population structures differ markedly between Less Economically Developed Countries LEDCs and More Economically Developed Countries MEDCs.

The shape of a population pyramid can tell us a lot about an area's population.

Usually pyramids are drawn with the percentage of male population on the left and percentage of female population on the right.

It gives us information about birth and death rates as well as life expectancy.

6 0
3 years ago
How many lines symmetry does this pair of scissors have? click to see answers and scissors.
Svetradugi [14.3K]
The scissors have 1 line of symmetry c:
7 0
3 years ago
Read 2 more answers
Name two ways that fog forms and give an example of each.
AURORKA [14]

Answer:

A. When a sea breeze blows over cold water, water vapor is forced to condense thus forming fog.

B. When cool air mixes with warm moist air over the water fog forms.

Explanation:

A. We see this often in cities close to water such as San Fransisco.

B. You will see this in hot humid coastal areas such as Florida

8 0
2 years ago
Other questions:
  • Kenya’s constitution, approved in 2010, did all of the following except __________.
    15·1 answer
  • If you could travel back in time with three illustrations from this chapter to help Alfred Wegener convince the scientists of hi
    10·1 answer
  • As heat flows from the center of the earth into the mantle, it exerts pressure on the earth's crust. That pressure squeezes the
    11·1 answer
  • These are the most valuable resources of the Caribbean islands. zinc waters manganese coconuts climate beaches
    9·2 answers
  • Which of the following would be a potential cause of sick-building syndrome?
    15·1 answer
  • What benefit is NOT provided by Africa's rivers
    14·2 answers
  • European settlers and Americans transformed the Great Plains from
    7·1 answer
  • What form of deductive reasoning is used in the given argument? If a number ends in 0, then it is divisible by 10. If a number i
    5·1 answer
  • X = ___<br> my brain is too small for these kind of problems. Please help
    10·1 answer
  • How tall is MT Everest? (no point stealers!)
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!