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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

Role of science and technology in food Security?

Science and technology play a crucial role in enhancing food security by improving agricultural productivity through innovations such as genetically modified crops, precision agriculture, and sustainable farming practices. Additionally, advancements in food processing, packaging, and distribution help reduce food waste and ensure better nutritional quality of food products, especially in regions with limited access to food resources. Overall, science and technology contribute to creating a more resilient and sustainable food system to meet the growing global food demand.

What is the maximum number of 1 degree longitude lines that can be drawn on a globe?

Looking at a sphere, the Earth, from the side, i.e. - the equator, eliminating each 'pole' position, which would appear as 'points', as opposed to 'lines', lines drawn at one degree intervals from top (North) to bottom (South), would number 178; given that there are 180 degrees from North to South.

What is smooth and sticky earth?

slug or a dart frog or a plush that has glue on it.

EARTH! I think the answer is clay. Clay soils have fine grained minerals making them smooth ans sticky when wet.

Where does the energy that reaches the earth's surface come from?

The energy that reaches the Earth's surface mainly comes from the Sun in the form of solar radiation. This energy is essential for supporting life on Earth by driving weather patterns, ocean currents, and the photosynthesis process in plants. Some energy also comes from geothermal sources within the Earth's core.

What factors contributed to the Great war?

The main factors that contributed to the outbreak of the Great War (World War I) were militarism, imperialism, nationalism, and alliances. The assassination of Archduke Franz Ferdinand of Austria in 1914 served as the spark that ignited the conflict among the major European powers.

How can you calculate the origin time of an earthquake?

The origin time of an earthquake is determined by analyzing the seismic waves recorded by multiple seismometers. By comparing the arrival times of the waves at different stations, scientists can calculate the time it took for the waves to travel from the earthquake source to each station, thus pinpointing the origin time of the earthquake.

What is the semi minor axis length of earths elliptic orbit?

The equation to find the semi-minor axis of elliptical orbit is b=a*sqrt(1 - e^2), where b is the semi-minor axis, a is the semi-major axis, and e is the eccentricity. Therefore, using 17.8AU as the semi-major axis and 0.967 as the eccentricity, the semi-minor axis is calculated to be 4.53AU or 6.62*10^11 m.

What structure carries sugar from a plants leaves to the rest of the plant?

The phloem is the plant structure responsible for transporting sugars, such as glucose, from the leaves to the rest of the plant. This vascular tissue forms a network of tubes that allows for the bidirectional flow of nutrients and sugars throughout the plant.

Is tap water a living thing?

No, tap water is not a living thing. Water is a chemical compound made up of hydrogen and oxygen molecules. Living things are characterized by possessing cellular organization, metabolism, growth, adaptation, response to stimuli, and reproduction, which water does not exhibit.

What does inorganic solids mean?

Inorganic solids are materials that do not contain carbon-hydrogen (C-H) bonds in their structure. They are typically formed by chemical elements other than carbon and typically have a crystalline structure. Examples of inorganic solids include metals, ceramics, and minerals.

This climate is typical of the northwestern United states?

The climate in the northwestern United States is characterized by mild, wet winters and warm, dry summers. This region often experiences a significant amount of precipitation, particularly during the winter months. Temperature variations can be significant, with cooler coastal areas contrasting with warmer inland regions.

Volcanic glass with no crystaline structure breaks with very sharp edges?

This type of volcanic glass is called obsidian. It is formed during rapid cooling of molten lava, preventing the development of a crystalline structure. Its lack of crystal structure allows for the creation of very sharp edges when it breaks, making it historically useful for tools and weapons.

What is the abundance of fluorine in the earth's crust?

[I just had the misfortune of having to write an essay on Francium, for my GCSEs, so i decided to give some information on it to other people who need it for these kinds of circumstances.]
There is no more than one ounce of Francium in the Earths crust at any one time. In fact, unlike other alkali metals, it was not 'stumbled upon'. It took many years and a lot of studying to work out that there must be another group one element with a higher reactivity than Caesium. It is not possible to do any tests on Francium as it has a half life of 22 minutes but we can work out most things about it by looking at the other Group 1 metals....x...Prisca Zia...x...

Water falling from clouds?

Water falling from clouds is called precipitation. It occurs when water droplets in the clouds become heavy enough to fall due to gravity or when they freeze into ice crystals and fall as snow. Precipitation can come in various forms such as rain, snow, sleet, or hail.

Jupiter mars neptune Saturn what planets is closest to earth?

Mars is the closest planet to Earth among Jupiter, Neptune, and Saturn. The distance between Earth and Mars varies due to their constantly changing positions in their orbits around the sun. Jupiter, Neptune, and Saturn are all much farther away from Earth compared to Mars.

Environmental issues in the deciduous forest?

Some environmental issues facing deciduous forests include deforestation, habitat fragmentation, air pollution, invasive species, and climate change. These factors can contribute to loss of biodiversity, disruptions to ecosystem dynamics, and potential long-term consequences for the health and sustainability of these forests. Efforts to protect and restore these habitats are crucial for maintaining the delicate balance of deciduous forest ecosystems.

Describe the seasons you would have if the earth axis were perpendicular to the plane of its orbit?

If the earth's axis were perpendicular to the plane of its orbit, the earth would still have winter and summer as the two main seasons. The two seasons would beÊoccurringÊdaily since the earth would still be rotating but on a perpendicular plane to its orbit.Ê

Which agent of metamorphism can cause the overall composition of rock to change?

Hydrothermal fluids are a common agent of metamorphism that can cause the overall composition of a rock to change. These fluids can introduce new minerals into the rock through chemical reactions, altering its composition and structure.

Is it important to study space?

Studying space is important as it helps us understand our place in the universe, the origins of life, and the potential for future exploration and colonization. It also leads to technological advances that benefit society in various ways, from communication to medical research.

What major cities are located near the san Andreas fault?

Major cities near the San Andreas Fault include San Francisco, Los Angeles, and San Diego in California. These cities are at risk of experiencing earthquakes due to the movement along the fault line.

Which state in the US uses the most amount of water for irrigation?

California uses the most amount of water for irrigation in the United States. This is due to its large agricultural industry that produces a variety of crops requiring significant amounts of water.

Why would expect to see similar rocks or rock structures in two landmasses that were connected at one time?

If two landmasses were connected at one time, they would share a similar geological history and likely formed from the same processes. This would result in the presence of similar rocks, rock structures, and geological features in both areas. Over time, changes in tectonic activity or environmental conditions could have caused the landmasses to separate, but remnants of their shared geological past would still be visible in the rocks and landforms.

When will Halley's comet crash into Earth again?

It has never crashed into Earth before and won't in the future. It will be seen from Earth again in 2061, but it won't be close enough to cause any danger to Earth. It will be tens of millions of miles from Earth.

How did the discovery of Glossopteris support Wegener's continental drift?

Because identical fossils were found on two continents far apart, it suggested that at one time the two landmasses were joined together. In other cases of lands separated by far less distance, plants did not propagate across the divide.