38 Best Earth Science Questions and Answers (Q&A) - ProProfs Discuss

How long does an earthquake P-wave take to travel the first 6500 kilometers after the earthquake occurs?

J. Harty, Writer
Answered: Jan 29, 2019

Seismology is the scientific study of earthquakes. The p-wave, or primary wave, is the fastest seismic wave and is measured with a seismograph to create a seismogram. The seismograph uses needles...Read More

2 Answers

1616 views

How would you describe the movement of Earth, Moon and sun?

Bobby Rickets, Content Reviewer
Answered: Nov 11, 2018

In science class when we were younger, we all learned that the Earth rotates around the sun. When the earth does this, it creates the seasons depending on where you live. Every planet in the...Read More

3 Answers

1381 views

What is the time difference in mean solar time between 30° N 75° W and 30° N 90° W?

John Smith
Answered: Apr 16, 2024

1 hour

Every 15 degrees is an hour, no?

1 Answer

1047 views

What is the evidence that the Earth revolves around the Sun?

J. Emmerich, Web Content Writer
Answered: Dec 26, 2018

The most compelling statement provided here is that different star constellations are visible on Earth at different seasons of the year, or answer D. For many hundreds of years, everyone has...Read More

4 Answers

1018 views

Why are the seasons in the Southern Hemisphere opposite to those in the Northern Hemisphere?

J. Shatner, Content writer
Answered: Oct 24, 2018

It is because of the tilt of the earth. It is facing the sun but the fact that it is tilted means that not all of the parts of the earth will experience the same types of light that the sun can...Read More

2 Answers

807 views

What is most responsible for the presence of groundwater in an area?

Mrsdscience
Answered: Apr 16, 2024

The movement of surface water and precipitation through soil and rock

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1 Answer

744 views

How long does it take for Earth to rotate once it's axis?

B.Oliviasi
Answered: Oct 26, 2017

To turn on its axis once, the earth takes a bit longer than twenty-three hours and fifty-six minutes. This leaves, more or less, four minutes in each day where the earth has already turned on its...Read More

1 Answer

723 views

Why does earth has four seasons?

Mgclarke
Answered: Apr 16, 2024

The tilt of the Earth is the primary reason for the seasons

1 Answer

685 views

What is the tilt angle at which earth spin?

John Adney
Answered: Feb 17, 2017

It tilts on its axis

2 Answers

673 views

Where would the greatest difference in arrival times of the P- and S-waves for an earthquake (that has the epicentre in Massen, New York) be recorded?

Carice Snow, Motivator
Answered: Jun 20, 2019

The correct answer to this question is Binghamton, NY. ESRTs, abbreviated for Earth Science Reference Tables, is key to answering this question. Every Earth Science student should have these...Read More

2 Answers

632 views

Why does mining of coal and other natural resources often result in environment pollution?

Barry Mclean, Sales Manager
Answered: Feb 28, 2019

C is the answer to this question. Mining can produce a lot of waste material that may not be evident to those who have never been in a mine before. There are different chemicals and tools that...Read More

2 Answers

561 views

What is an area of land that is covered with a shallow layer of water during some or all of the year?

Pcooper
Answered: Apr 16, 2024

Wetland

1 Answer

500 views

Is running water the most effective agent of erosion?

John Smith
Answered: Apr 16, 2024

True

1 Answer

319 views

What type of farming is this?

Anthony Paul Bonadio, Teacher
Answered: Jan 10, 2019

Farming has been around for a very long time. It seems that people understand the ways in which to farm. You take some seeds and plant them. Then water them and wait until the seeds grow into...Read More

2 Answers

307 views

What do you call the theory where it states that continents are slowly moving over the earth's surface?

M. Jabrowsky, Bank Manager
Answered: Jan 24, 2021

Continental drift is the theory that the planet's continents have shifted over geologic time relative to each other, and they appear to have drifted across the ocean bed. Abraham Ortelius first...Read More

3 Answers

305 views

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