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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 kind of rock is formed when rock fragments are cemented together?

A sedimentary rock is formed when rock fragments are compacted and cemented together by pressure and minerals. Examples of sedimentary rocks include sandstone, shale, and conglomerate.

How is acid rain bad for the environment?

Acid rain affects the environment in several ways:

  • It can leach nutrients from the soil making then unavailable to plant life.
  • It an affect the growth of plants as many plants have a specific soil pH for optimum growth
  • Acid precipitation can change the ionic balance in clayey soils affecting their structure.
  • In some soils acid precipitation may free up metals (e.g. lead) in the soil that can be taken up by the plants and contaminate the associated seeds or fruit.
  • It can affect fish and amphibians by reducing the pH of the water impacting their health and breeding success

This list does not include secondary effects like the reduction of predator's prey caused by the reduction of fish numbers.
Acid rain is very harmful to the environment. Acid rain damages everything over a period of time because it makes the living things in the environment die. Acid rain affects the life in the water as well as the life on land. It is almost worse in water than on land because the fish that are in the water need the water to breathe. When the water gets polluted, then the fish get sick and end up dying.

List down the different branches of science?

I don't recall ever seeing a schematic for science, but your suggestion is interesting.

I'd divide natural science into the life sciences (biology) and material sciences (physics).

Under physics I'd place cosmology, astronomy, geology, meteorology, and chemistry.

Under biology I'd put botany, ecology, medicine, paleontology, etc. There is a lot of blurring and overlap, of course, such as in biochemistry, biomechanics, astrobiology, etc. Paleontology is about as much a science of rock, minerals, nuclear physics and geologic history as it is a science of biology.

What is the first organism in the Earth?

The first known organisms on Earth are believed to be single-celled microorganisms like bacteria, archaea, and possibly some types of algae. These simple life forms emerged around 3.5 to 4 billion years ago in the early oceans of our planet.

What are all the layers of the earth and the atmosphere in order from the core to space?

The layers of the Earth are the inner core, the outer core, the mantle, the crust, and the atmosphere. The layers of the atmosphere are the troposphere, stratosphere, mesosphere, ionosphere, and exosphere.

How is land surface worn down?

Land surface is worn down through processes like erosion, weathering, and mass wasting. Erosion occurs when wind, water, or ice remove soil and rock from the land surface. Weathering breaks down rocks into smaller fragments, while mass wasting refers to the downhill movement of rock and soil under the force of gravity. Over time, these processes can reshape landscapes and contribute to the formation of landforms.

Reasons for depletion of ground water level?

Groundwater levels can be depleted due to over-extraction for agricultural, industrial, or domestic purposes. Climate change can also lead to decreased recharge rates and overall water scarcity. Land use changes such as urbanization and deforestation can reduce infiltration rates, further exacerbating groundwater depletion.

Where is tropical climate located?

The monsoon climate is found near India sri lanka and Bangladesh the monsoon climate is caused by the monsoon rains, basically they are winds that have come from Australia (southern hemisphere) and they blow up and left, then when they reach the southern hemisphere they blow right and cause a wet season for India known as the monsoon rains, because it rains for about 3 months really heavily.

A popular natural philosophy of the 17th and early 18th centuries was based on a firm belief in a very short geologic history for Earth?

This belief was primarily influenced by the Biblical account of creation, which suggested a young Earth. Philosophers such as John Ray and Thomas Burnet supported this view, arguing that Earth's history was only a few thousand years old. It wasn't until the late 18th and early 19th centuries, with the rise of geology as a science, that evidence for an older Earth began to be recognized.

What part of the earth does not receive direct p waves from a quake?

The outer core of the Earth does not receive direct P waves from a quake due to the difference in density between the outer core and the inner core. P waves can only travel through solid material, so they are refracted when they reach the outer core, creating a shadow zone where they are not detected.

What is the result of an Earth process?

Earth processes can result in changes to the planet's surface, atmosphere, and environment. These processes can include weathering, erosion, volcanic eruptions, earthquakes, and tectonic plate movements, which all contribute to shaping the Earth's landscape and influencing ecosystems.

The lowest point on a wave is the wave?

Minimum? Distance from equilibrium to minimum is the amplitude...

What is the difference between relative dating and numerical?

Numerical dating is when you are trying to determine how long ago something took place or specifically how old something or someone is. For example, the extinction of the dinosaurs about 65 million years ago. Relative dating cannot tell us how long ago something took place, only that is followed one event and preceded another.

Which instruments Used to record intensity of earthquakes?

Seismometers are most commonly used to record the intensity of earthquakes. These instruments detect and measure the seismic waves produced by earthquakes. The data collected from seismometers helps scientists determine the magnitude and location of the earthquake.

Names of flowers that start with the letter J?

Jaborosa

Jacaranda

Jacquemontia

Jamesia

Jancaea

Jasione

Jasminum (jasmine, jessamine)

Jatropha

Jeffersonia

Jovellana

Jovibarba

Juanulloa

Jubaea (Chilean wine palm)

Juglans (walnut)

Juncus (rush)

Juniperus (juniper)

Justicia

hope i helped. :]

The layer of the atmosphere that contains the ionsphere?

The ionosphere is found within the thermosphere layer of the Earth's atmosphere. It is located approximately 46 to 621 miles (75 to 1,000 kilometres) above the Earth's surface. This region contains a high concentration of ions and free electrons, which play a key role in the propagation of radio waves.

Why do scientists believe that the earth developed in a series of layers?

because the earth as it builds up over time new layers formed from the techtonic plates each layer probobly has their own plates but not discovered yet and when convergent bounderies made mountains and more land, the earth made new layers that were capable of living on

Step by step of nebular hypothesis?

1) The solar nebula collapses;

2) The Spinning Nebula Flattens;

3) Condensation of Protosun and Protoplanets;

4) Massive expanding gas clouds;

5) Planetesimals collided and grew with other bodies; and

6) Nebulous clouds form.

Differentiate physics from other branches of science?

Classical mechanics and quantum mechanics are subfields of the branch of physics called mechanics, that deal with two realms of size, the big and the small, respectively. The border between big and small has not be scientifically defined yet, but almost every object we deal with can be assigned to a respective group (i.e. galaxies, stars, planets, people, ants, and dust particles are all big. Atoms, quarks, photons and electrons are all small).

Classical mechanics is a set of physical laws and their corresponding equations that describe/govern the motion and interaction of big bodies within the universe. These equations are Galilean invariant which means they do not apply to non-inertial reference frames. Classical mechanics is sometimes still called Newtonian mechanics because it's basis is on the work of Isaac Newton. Classical mechanics is an approximation of General Relativity in a weak gravitational field.

Quantum Mechanics is a set of physical laws and their corresponding equations that describe/govern the motion and interaction of small bodies within the universe. Quantum mechanics as we know it is the Copenhagen Interpretation which has a set of several main principles . There are two widely taught formulations of QM, the wave formulation (Schrodinger), and the matrix formulation (Heisenberg).

In the most general sense, the equations that describe a baseball being thrown cannot describe an electron in an accelerator. Likewise, the equations for the electron cannot describe the baseball. There is a small caveat here though, the quantum statistical expectation value of the position and momentum obey Newton's laws on average.

What are convection currents in a bowl of pasta?

Convection currents are currents of fluid that move because of a difference in temperature, and therefore energy. When a fluid (let's say water, because we're talking about a bowl of pasta here) heats up closer to the source of heat, it will increase in temperature and energy. Cooler water, which is lower temperature and energy level than warmer water, will gradually sink, which causes the warmer water to rise. When the warm water cools and the cool water warms, the molecules sink and rise respectively. This process continues until the source of heat is extinguished.

This is what makes your pasta bowl water move about. Have fun cooking!

What is earth four spheres?

The earth four spheres are:

The Atmosphere - (21% oxygen, 78% nitrogen and 1% other gases)

The Hydrosphere - (Lakes, oceans river, fresh water etc.)

The Biosphere - (Plants, animals, bacteria (all living creatures))

The Lithosphere - (Solid earth (crust, mantle etc.))

Air is made up mostly of?

Nitrogen (about 78%) and oxygen (about 21%). Other gases such as argon, carbon dioxide, and trace amounts of other gases make up the remaining composition of air.

How does surface water move?

Surface water moves through processes such as gravity, wind, and slope. It flows downhill following the path of least resistance, collecting in rivers, streams, and eventually into oceans. Wind can also create waves that move surface water.

What does a glossary look like?

A glossary gives information just like a dictionary but little.It gives the part of speechand probably pictures of the word your looking up.A glossary is usually in the end of a childrens reading book.

What is the percentage of saturation?

Percentage of saturation refers to how full a particular substance or condition is in relation to its maximum capacity. It is often used in the context of measuring the amount of a substance dissolved in a solution, such as oxygen saturation in blood or humidity saturation in the air.