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Earth Sciences

Earth Sciences is the study of the Earth in terms of Geography, Geology, Geophysics, etc. It combines the use of Sciences such as Biology, Chemistry, Physics and Mathematics to understand the Earth System.

34,763 Questions

What are all the possible sources of earth's magnetic field?

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^LOL! The real answer is "Earth's outer iron core".

What do you call the bottom of a well?

The bottom of a well is commonly referred to as the "well bottom" or simply "bottom."

How would a lower angle of insolation affect the maximum temperature of a surface?

A lower angle of insolation would result in the sunlight being spread over a larger surface area, leading to less concentrated heating. This would result in a decrease in the maximum temperature of the surface compared to a higher angle of insolation where the sunlight is more concentrated on a smaller area.

What on Earth are they spraying?

"They" could be spraying various things, such as pesticides, herbicides, or even geoengineering substances for weather modification. It is best to research and verify the specific spraying activity in question for accurate information.

Identify and describe the three main layers of earth?

  1. The crust is the outermost layer, thinnest under oceans and thicker under continents, where tectonic plates reside.

  2. The mantle is a semi-solid layer beneath the crust, responsible for convection currents that drive plate tectonics.

  3. The core is divided into the liquid outer core, responsible for Earth's magnetic field, and the solid inner core made of iron and nickel.

What epimetheus' do for the creatures of earth that causes him to earn his reputation as a scatterbrain?

In Greek mythology, Epimetheus's scatterbrained action was accepting Pandora as a gift from the gods. This led to the release of all the evils into the world when Pandora opened the jar (often mistakenly called a box) she was given, as she had been warned not to do. Epimetheus earned his reputation as a scatterbrain due to his thoughtless acceptance of Pandora without considering the consequences.

What sitting still at the top of a slope has what type of energy?

An object that is stationary and at the top of something has "potential energy". (If you're getting into equations, it's PE = mgh, where PE = potential energy, m = mass of the object, g = the force of gravity, and h = the height of the object.)

What is called a person who travels outside the atmosphere of the earth?

A person who travels outside the atmosphere of the earth is called an astronaut. They are trained space travelers who journey to space to conduct scientific research, explore new territories, or operate spacecraft.

Who is called Columbus of space age?

Yuri Gagarin, the first human to journey into outer space, is often referred to as the "Columbus of the space age" due to his groundbreaking voyage aboard Vostok 1 in 1961. Just like how Christopher Columbus's expedition opened the way for European exploration, Gagarin's spaceflight paved the path for human space exploration.

What foliated metamorphic rock forms when the sedimentary rock shale is subjected to relatively low temperatures and pressure?

The foliated metamorphic rock that forms when shale is subjected to relatively low temperatures and pressure is called slate. Slate is characterized by its fine grained texture and ability to be split into thin sheets.

What is the study of materials that make up earth and the processes that form and change materials?

The study of materials that make up Earth and the processes that form and change them is known as geology. Geology encompasses the study of rocks, minerals, soil, and natural resources, as well as the processes like erosion, plate tectonics, and volcanic activity that shape the Earth's surface. Geologists use various techniques to understand the history and composition of Earth's materials.

How does energy travel through earth?

Energy travels through the Earth primarily through conduction, convection, and radiation. The heat from Earth's core is transferred to the surface through convection currents in the mantle and crust. Additionally, energy from the sun is absorbed by the Earth's surface and radiated back into the atmosphere.

What are the seasons of the earth caused by?

The seasons on Earth are caused by its axial tilt as it orbits the Sun. As Earth moves around the Sun, different parts of the planet receive varying amounts of sunlight, resulting in changes in temperature and weather patterns.

Does different dirt affect the growth of a plant?

Yes, different types of soil can affect the growth of a plant. Factors such as nutrient content, pH levels, drainage, and texture of the soil can impact a plant's ability to absorb water and nutrients. It's important to choose soil that is suitable for the specific needs of the plant species you are growing.

Is 80 percent of earth's atmosphere oxygen?

No, oxygen makes up about 21% of Earth's atmosphere. The majority of the atmosphere is made up of nitrogen (roughly 78%).

Which layer of soil has the least amount of organic materials in it?

The top layers - The weathering and the degradability would apply.

The deposits in the inner layers are not exposed to the eco parameters ie the sunshine hours, rainfall on the surface and physical movements and not deposits.

The options for mulch and the deposits to avoid or curtain evapotranspiration from the surface of the soil ought to be rationalised as per the raw material applied and the rate of the biodegradability.

Thank you

K

Monday, 17th January 2011

Why is sprite able to clean a penny?

Sprite contains carbonic acid which reacts with the copper oxide on the penny, removing the tarnish and making it shiny. The acidity of the Sprite helps dissolve the dirt and grime on the surface of the penny, leaving it looking cleaner.

What is defined as the chemical reactions that break down food molecules in cells to release energy?

The chemical reactions that break down food molecules in cells to release energy are called cellular respiration. This process generates ATP (adenosine triphosphate), which is the energy currency for cellular activities.

What are biotic factors that can affect the structure of biological communities?

Biotic factors such as competition for resources, predation, symbiosis, and disease can all influence the structure of biological communities by shaping population dynamics and species interactions. These factors can determine species abundance, diversity, and distribution within a community.

How many years is the Precambrian era?

The Precambrian era spanned approximately 4 billion years, making it the longest geologic time period in Earth's history.

What seismic wave can go through liquid?

Surface waves, specifically Love waves, can travel through liquids. Love waves are a type of surface wave that occurs on the surface of solids, liquids, and gases.

Is deforestation a natural process?

Deforestation can occur as a natural process, such as through natural events like wildfires or disease outbreaks. However, human activities, such as logging and clearing land for agriculture, have significantly accelerated deforestation rates around the world.

How did the Earth come to be?

One Answer:

When the sun formed less than 5 billion years ago there was a lot of dust and gas in an orbit around the sun in the form of a disc.

Fragments colliding together would have gained more gravitational attraction pulling in more fragments until the planets were formed, Earth being just one of those planets.
The Solar System, and therefore the Earth, formed from a enormous molecular cloud of gas & dust created by ancient supernovas. One theory, "The Little Bang" postulates that the shockwave from a nearby supernova added to & triggered the coalescing of our sun & the planets from the cloud. Once started, gravity & centripetal force did the rest. Everything in our solar system (including you) is made from stardust.