During which twilight would  sailors do to test their celestial navigational skills in their voyagers across the ocean?     none of these       civil       astronomical       nautical

Q: Malathion is an organophosphate pesticide that is used often in residential and commercial landscapi...

A: Malathion is a synthetic organophosphate pesticide that is widely used to combat insects that target...

Q: How could people have believed a century ago that nature is so vast and fertile that human actions c...

A: Human activities are causing environmental degradation by depleting the resources like air, water, a...

Q: terracing is used in steeper locations to prevent soil loss a. true  b. false

A: Agriculture is the art and science of the cultivation of the soil. Several scientific methods and te...

Q: On March 11, 2011, the Fukushima nuclear power plant in Japan was severely damaged by a huge tsunami...

A: The Fukushima nuclear power plant is one of the most radioactively active places on earth. The vicin...

Q: What information about ancient climates is suggested by (1) fossil reefs? (2) aluminum ore? (3) bodi...

A: Earth science is the study of the Earth and the various processes that are going on in the Earth sys...

Q: Thinking Critically What is the latent heat of vaporization? Of fusion? Which requires more heat to ...

A: Matter are the substances that constitute the observable universe. Matter are anything that occupies...

Q: Saturn’s moon Titan has an atmosphere of nitrogen, argon, and methane and may have liquid methane an...

A: By reviewing the question, We need to find Saturn’s moon Titan has an atmosphere of nitrogen, argon,...

Q: Describe, in your own words, the ecological consequences of an El Niño for a particular part of the ...

A: El Nino is a change in normal weather pattern observed in the pacific ocean. Due to the El Nino effe...

Q: Soils primarily provide green revolution  food  GMOs  subsurface nitrogen

A: Soil is an important natural wealth that covers much of the earth's surface.  Life on Earth depends ...

Q: QUESTION 28 According to "Environmental Justice in the 21st Century" by Robert Bullard, the environm...

A: Environmental justice is the equal protection from environmental and health hazards and equal enforc...

Q: Summarize why water is a precious resource and why shortages occur

A: The Earth is made up of four spheres known as lithosphere, atmosphere, hydrosphere, and biosphere. A...

Q: Which of the following is not an example of a chemical sedimentary rock? salt, dolostone, sandstone,...

A: The Earth is made up of various kinds of rocks. These rocks begin their life cycle from the solidifi...

Q: plastic pollution and its bad affect on the evironment

A: Plastic pollution is the addition of plastic items & particles in the environment (examples like...

Q: What are the main interspecific population regulatory interactions? How do they work?

A: Interspecific population or species refers to organisms that belong to different species.There are 3...

Q: The Green Revolution a. increased food supplies b. increased food security c. increased efficiency d...

A: Agriculture is the art and science of the cultivation of the soil. Several scientific methods and te...

Q: Anna is an American traveller. She cannot tolerate the winter in her country so she decided to visit...

A: Weather and climatic factors determine habitability and population distribution a lot. Climate and w...

Q: 2. (a) The diagram below represents a cross section that shows thie structure of the Earth. Name and...

A: By analysing the question, We need to tell and describe the diagram where arrow is pointed. Below yo...

Q: Please answer in essay form What is the significant difference between Disaster Risk Reduction and E...

A: By reviewing the question, We need to find What is the significant difference between Disaster Risk ...

Q: Answer question showing fully all the steps. Solution should be simplified and easy to understand as...

A: By analysing the question, In the first part we need to differ between global warming and the climat...

Q: If having a vacation on a warm island region, and had a tsunami warning to your location. What shoul...

A:   During no tsunami time we can relocate people to safe places. The only safe place during a tsunami...

Q: What is the planet Vulcan? Why did scientists think that it existed?

A: The solar system is a gravitationally bound system around the sun. It has 8 planets, their moons, as...

Q: 1. What started the feud between Ulrich von Gradwitz and Georg Znaeym ? What caused the feud to beco...

A: By analysing the question, We nee to tell What started the feud between Ulrich von Gradwitz and Geor...

Q: Identify which soil types or soil structures are important to your field of interest (Civil Engineer...

A: From the civil engineering point of view soil can be classified as, Naturally occurring, loose/un-ce...

Q: 9. Draw the axis of Earth, the Equator, Tropic of Capricorn, and Tropic of Cancer on the diagram bel...

A: The advent of different seasons is due to the tilting of the earth and the sun's insolation. The ins...

Q: In spite the presence of several agencies both national and local governing Philippine water resourc...

A: Philippine is a south eastern Asian country which lies at western Pacific Ocean. Philippine position...

Q: Explain how the lava/magma is helpful to justify the structure of the interior of the Earth. Discuss...

A: Geology is the branch of science that studies the Earth. Geology studies the past, present, and futu...

Q: Most power plants generate electricity the same way . How do they generate it?

A: The Sun in our Solar System is the only natural source of light energy. Life would be impossible to ...

Q: How do geologists determine the location and magnitude of an earthquake?

A: Earthquake essentially refers to the sudden shaking of the Earth's surface. It is essentially a geo-...

Q: Calculate the period of revolution of a hypothetical planet that is 16 AUs from the sun.

A: By analysing the question, we need to Calculate the period of revolution of a hypothetical planet th...

Q: List several illnesses that are made worse by dirty air.

A: Dirty air or polluted air is harmful material in the environment which this can deteriorate various ...

Q: One of the most likely wavelengths of radio energy being used to search for extraterrestrial signals...

A: By reviewing the question, We need to find One of the most likely wavelengths of radio energy being ...

Q: How likely is it that powerful tsunami will be created by a huge mass movement southeast of Kilauea ...

A: Natural disasters happen in every region of the world. Several disasters are accelerated by the occu...

Q: Computer Lab: Print a big 'C': (Static)###### ## ## # # # # # ## ## ######

A: By Analyzing the question, We need to Print a big 'C': (Static) Below you can find your answer.

Q: Identify the things that wouldn’t have been there without soil. Discuss why soil is important for th...

A: Soil is the uppermost layer of the Earth. It is composed of minerals, organic matter, water, air, li...

Q: During which era was Indiana's limestone created?

A: The most common sedimentary rocks have termed limestone and they are the non-clastic calcareous rock...

Q: If Columbus was unsuccessful in his attempt to sail around the world and Magellan died without compl...

A: Earth is a terrestrial planet, meaning it has a rocky solid surface. But almost 71%, a majority of t...

Q: Define the Petroleum Geology ?

A: Resources are the supplies of the products from which we can benefits. They can be of two types- nat...

Q: Describe, in your own words, the ecological consequences of an El Niño for a particular part of the ...

A: El Nino is the warm phase of the El Nino-Southern oscillation. It means "the Christ child" in Spanis...

Q: Intermediate fossils (a) share some similarities with their ancestral group. (b) share some similari...

A: Fossils are old artifacts or old remains of things that have historically taken place in the world. ...

Q: What is apparent polar wander? Draw pictures of Earth showing how the movement of a continent can pr...

A: Igneous rocks containing magnetic minerals like magnetite preserve records of paleomagnetism. The ma...

Q: What famous American is also famous for publishing the first image of an ocean current? What was his...

A: The masses of water that transit from one location to another location is termed ocean currents. The...

Q: What is a lake? Are lakes temporary or permanent? Explain. Give one example and explain how it fits ...

A: Lakes are large bodies of water inside a land. They have feeder streams from which they get water fo...

Q: Which is greater: the average depth of the ocean or the average height of the continents above sea l...

A: The large water body found on the surface of the earth called an ocean. These features on the planet...

Q: Which particles are most easily transported by water?

A: Earth science is the study of the Earth and the various processes that are going on in the Earth sys...

Q: What is the importance of Kyoto Protocol and Paris Agreement.

A: The Kyoto protocol is regarded as a milestone in global efforts to tackle climate change. With the K...

Q: Explain how air and noise pollution can be controlled

A: Different ways to control air pollution: Reduce the number of trips you make on your car. reduce th...

Q: Dune formation and migration is due to

A: Geomorphology is the study of the landforms, structures, features, how they have formed, the sedimen...

Q: Why it is believed that majority of rocks on earth were with solid reasons. initially igneous in nat...

A: Rocks are naturally occurring aggregates of minerals. They compose the entire earth's exterior. That...

Q: Why has the garden been so successful?

A: By analysing the question, We need to tell why has the garden been so successful. Below you can find...

Q: What is acid deposition? Identify two of the pollutants that cause it.

A: The atmosphere is the mixture of gases that surrounds the Earth. The composition of the atmosphere v...