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Science

The observation, identification, description, experimental investigation, and theoretical explanation of phenomena is all part of science. Nothing is immune to the scientific process: from charm quarks that haven't existed naturally since the beginning of time to Pluto, recently demoted from planet to dwarf planet. Questions on knowledge about the material and physical aspects of our world are asked and answered here.

203,801 Questions

How is environmental science related to chemistry?

Chemistry is the chemistry if youre a chemistry then good for you

How long does a volcano erupt for?

Volcanoes erupt until their lava is gone or until the pressure beneath the volcano is released. There is no way of knowing ahead of time how long that will take. Some volcanoes blow up once and never again, and then there's Kilauea volcano in Hawaii, which has been erupting since 1983.

What is the relationship between geology and chemistry?

All the substances in geology are chemicals. The way those chemicals change with time and interact with other chemicals over time on a large physical scale is geology.

How are coral reefs being destroyed?

coral reefs are being destroyed by a number of things, including ; global warming, over fishing and pollution. while there may be many more these are the main ones.

Another way coral reefs are being destroyed is that people are look for the the fish living inside the coral reef so they use crowbars to pry open the the coral

How does Earth's core transmit heat?

The Earth's core heats up due to the residual heat from its formation and radioactive decay of elements. This heat is then transmitted through the outer core and mantle by convection, where hot molten rock rises and cooler rock sinks, creating a heat flow that helps maintain the Earth's internal temperature.

Which of the processes is not an example of chemical weathering?

A. dissolution of calcite B. breaking down of feldspar to form clay C. splitting of a rock along a fracture D. rusting of a nail

E. All are examples of chemical weathering

*I have read the book and researched I need help finding this please. I wouldn't be asking if I didn't knew... no rude answers*

Why do you think that the total amount of lithosphere formed on the earth is about equal to the amount destroyed?

The process of plate tectonics drives the creation and destruction of lithosphere. As new lithosphere is formed at mid-ocean ridges through seafloor spreading, older lithosphere is consumed at subduction zones, creating a balance between formation and destruction over time. This equilibrium maintains a relatively constant amount of lithosphere on Earth.

What did The Martian canals turned out to be?

The "Martian canals" originally thought to be evidence of a complex network of waterways were later found to be an optical illusion. These features observed by early astronomers were likely due to limitations in their equipment and interpretation of what they were seeing on the Martian surface.

How does the sun drive convection currents in the ocean and in the atmosphere?

Mostly it is radiation from the sun. A little heat is conducted through the crust from the core of the Earth, but not enough to keep the planet livable. Convection in the atmosphere keeps the air mixed and spreads the heat coming from the sun to the night side of the planet.

How much do the oceanic plates move away from each other each year?

Oceanic plates move away from each other at an average rate of a few centimeters to several inches per year. The rate of divergence can vary depending on the specific tectonic plate boundary and the geological setting.

What type of precipitation consist of small clear to translucent ice particles?

The type of precipitation that consists of small clear to translucent ice particles is called sleet. Sleet forms when raindrops freeze as they fall through a layer of cold air near the surface.

Do Earth's oceans gain or lose water considering evaporation and precipitation together and how much is the difference?

On average, if the climate remains stable the two processes balance out. During periods of cold, water gets locked up in the ice caps and the level of the ocean drops.

What are the benefits of the process of upwelling?

Upwelling brings nutrient-rich waters from the deep ocean to the surface, promoting productivity and supporting diverse marine ecosystems. It also helps regulate ocean temperatures and can enhance fish populations by providing an abundance of food. Additionally, upwelling plays a crucial role in global nutrient cycling and carbon sequestration.

Why man hole is called man hole.?

The term "manhole" comes from the fact that traditionally, these openings in the ground were used by people (men) to access underground utility systems for maintenance and repair. Today, the term is considered outdated and many use the term "utility hole" or "maintenance hole" to be more inclusive.

When you are digging a well into saturated sediments why is the sediments permeability an important factor in deciding where to put your well?

Permeability of sediments determines how easily water can flow through them, affecting the rate at which a well can fill up with water. Well placement in sediments with high permeability allows for better water production and faster well replenishment. Conversely, low permeability sediments could lead to slow water flow and reduced well yield.

Which of these is an area of cool air pressing down on the earth?

A high-pressure system is an area of cool air that is pressing down on the earth's surface. This results in clear skies and stable weather conditions.

What are tropical easterlies?

Tropical easterlies are prevailing winds that blow from the east to the west in tropical regions, roughly between 30 degrees north and 30 degrees south latitudes. They form part of the Earth's atmospheric circulation system and play a crucial role in shaping the climate and weather patterns in these regions.

How much has the earth change over time?

The Earth has changed significantly over billions of years due to geological processes such as plate tectonics, climate fluctuations, and the evolution of life forms. These changes have shaped the planet's surface, atmosphere, and ecosystems, leading to the diverse environments we see today.

What are lines of latituide called?

Lines of latitude are also called parallels because they run parallel to the equator. They measure the distance north or south of the equator and are expressed in degrees.

What are two ways we can measure how humans have changed earth?

Two ways we can measure how humans have changed Earth are through monitoring changes in biodiversity and tracking alterations in land use patterns through techniques like satellite imagery and geographical information systems (GIS). These methods help us understand the impact of human activities on ecosystems and the environment over time.

How do weathering and erosion and deposition work together to wear down and build up earth?

Weathering breaks down rocks into smaller pieces. Erosion transports these pieces to new locations. Deposition occurs when the transported material settles in a new location, building up landforms such as valleys, deltas, and beaches. Together, they continuously shape and reshape the Earth's surface.

How does a monsoon affect the Philippines?

Monsoons bring heavy rainfall to the Philippines, particularly between June and September, which can lead to flooding and landslides. However, they also provide much-needed water for agriculture and replenish freshwater sources. Strong winds accompanying monsoons can also affect coastal areas with storm surges and rough seas.