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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 drives the movement of convection currents?

Convection currents are driven by differences in temperature and density within a fluid. When a fluid is heated, it becomes less dense and rises, while cooler, denser fluid sinks. This creates a circular motion as the heated fluid rises, cools, and then sinks back down.

What will happen if you are under eye of typhoon?

If you are under the eye of a typhoon, you will experience a brief period of calm and relatively clear weather as the storm's surrounding eyewall brings the most severe conditions. It's important to stay indoors and remain vigilant as the storm will intensify again once the eye passes.

Which sedimentary rock would be formed by the compaction and cementation of rounded pebbles?

Conglomerate rock would be formed by the compaction and cementation of rounded pebbles.

Proteins made and modified here for secretion from cell?

The endoplasmic reticulum (ER) is responsible for synthesizing and modifying proteins that are intended for secretion from the cell. These proteins undergo various post-translational modifications, such as glycosylation and disulfide bond formation, within the lumen of the ER before being transported to the Golgi apparatus for further processing and eventual secretion.

What is the best sediment transporting agent?

Water is the most common and efficient sediment transporting agent on Earth. It has the ability to move particles of various sizes over long distances, shaping landscapes through erosion and deposition processes. Other agents like wind and ice also play a role in sediment transport, but water is generally considered the most effective.

What causes anticlines and synclines?

Anticlines and synclines are geological structures that form due to compression forces in the Earth's crust, such as during tectonic plate movements. Anticlines are upward-arching folds in the rock layers, while synclines are downward-arching folds. They typically result from the bending and deformation of rock layers under pressure, causing them to fold in response to tectonic forces.

Which of these is the imaginary line agreed upon as the starting point for a day on the earth?

The Prime Meridian, located at 0 degrees longitude, is the imaginary line chosen as the starting point for a day on Earth. It runs from the North Pole to the South Pole and passes through Greenwich, England.

The point on the earths surface closest to the origin of an earthquake is called?

The point on the earth's surface closest to the origin of an earthquake is called the epicenter. This is where the seismic waves generated by the earthquake first reach the surface.

What property of carbon makes it different from other non-metals?

There are several, but one of the more important ones is that it's not terribly energetically unfavorable for a carbon atom to form single bonds with other carbon atoms as opposed to forming bonds with oxygen or hydrogen (the most abundant elements in the Earth's crust and in the universe as a whole respectively). For why this is important, read the essay The One and Only by Isaac Asimov; it's in his non-fiction book The Tragedy of the Moon.

Which way round is the imaginary magnet inside the earth?

The imaginary magnet inside the Earth aligns roughly along the geographic North-South axis. This results in the magnetic North Pole being near the geographic North Pole, but they are not exactly the same due to the Earth's complex magnetic field.

How many years is there left of the world?

The only answer is; no one knows.
The earth may last until the sun dies, which will not be for about 5 billion years. Or it may get hit by a giant asteroid next year. No one can say for definate. Anyone claiming to be able to foresee this is trying to con or scam you in some way.

How does a plant burn when a magnifying glass and the sun join?

If you mean to ask how a magnifying glass can use sunlight to burn a plant, then here's how.

A magnifying glass focuses the light going through it so that it all converges into a single point (focal point). The light that would have otherwise been spread out over the area of the magnifying glass is "concentrated". Therefore there is much more energy hitting that one point than otherwise would be. The light raises the temperature of the plant to the point where it will burn.

Is Robert Bakker still alive?

ooo yes Jim bakker is still alive and well he is in branson with a new complex like heritage usa...also starting a new tv network for his show the ministry is on nearly 600 acres its is called morningside he is re-married to lori and they have adopted 5 kids..

Is rice a natural resource?

Yes, rice is a natural resource as it is a plant that is grown and harvested for consumption. It is a staple food for many cultures and plays a significant role in providing nutrients and sustenance for people around the world.

What is the hardness luster and streak color of shale?

== == Depends upon the composition of the conglomerate, which can be anything. This is not a normal thing to do for a sedimentary rock.

Hardness, luster, and streak are used to aid in the identification of minerals. Conglomerate is a rock composed of other rocks which could contain a wide variety of minerals.

What ancient organism made most of the earth's oxygen?

It isn't really an ancient organism, but Cyanobacteria were the organisms that changed earths atmosphere (I think?)

It was around 3 billion years ago, and they formed colonies that accreted sand making structures known as Stromatolites.

Funny thing was because there was no free Oxygen around before hand, as soon as the Cyano's started making it, it would react with all the dissolved iron in the oceans (making rust) to such proportions that they almost wiped themselves extinct because there was so much rust everywhere!

How are cleavage and fracture similar?

Cleavage is the tendency of a mineral to break along flat planar surfaces as determined by the structure of its crystal lattice. Fracture is the way a mineral breaks other than along a cleavage plane. They both describe a way a mineral can break.

Graduated cylinder with markings as small as 2 ml?

A graduated cylinder with markings as small as 2 ml would allow for measurements with greater precision compared to a cylinder with larger markings. This would be suitable for measuring small volumes accurately, such as in chemical experiments or pharmaceutical preparations. The smaller markings would enable more precise readings and reduce the margin of error in measurements.

How the earth came?

The Earth formed about 4.5 billion years ago from a disk of gas and dust swirling around the young sun. Over time, gravity caused these particles to collide and stick together, forming larger and larger bodies that eventually grew into the planets, including Earth.

Is the air thicker in more humid air?

Yes, humid air is denser than dry air because water vapor molecules have a higher mass than nitrogen and oxygen molecules found in air. This can make it seem like the air is thicker when it is more humid.

What is the difference between an intusion and a fault?

A fault is a crack in an mass of rock or soil along which there has been a displacement, shifting or movement of the rock or soil on each side of the crack.

An intrusion is a mass of igneous rock formed when molten rock (magma) squeezes or melts into preexisting rocks and crystallizes.

ex: sills and dyke's

Which of these causes global winds to appear to turn instead of blow straight across the earth's surface?

The Coriolis effect causes global winds to appear to turn instead of blowing straight across the Earth's surface. This effect is the result of the Earth's rotation and causes moving air or water to be deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.

Earth is 150 km from the sun?

No, Earth is about 14,960,000km from the sun.

How can they say exact date for the destruction of the world?

Predictions about the end of the world are often based on religious texts, scientific theories, or apocalyptic prophecies. However, it is important to approach such claims with skepticism as the actual date of the world's destruction is uncertain and cannot be accurately predicted.