109. Communications Satellite Coverage The figure shows a stationary communi- cations satellite positioned 20,000 mi above the equator. What percent, to the nearest tenth, of the equator can be seen from the satellite? The diameter of Earth is 7927 mi at the equator.

Q: How does explosiveness vary between magmas that have a low versus a high weight % content of water?

A: The amount of silica, water and other gases contained in the magma are key to determining its explos...

Q: How does the lag time change as you get farther and farther from the epicenter of an earthquake? (Us...

A: The earthquake is a natural disaster that occurs due to the collision of the tectonic plates which p...

Q: What did I say is a safe temperature for ice crystal formation (snowflakes)?  The prime snow growth ...

A: Snowflakes formation depends on air temperature and humidity. In general, snow forms when the temper...

Q: Meaning hydrosphere, atmosphere, geosphere etc.

A: There are four spheres that describe different systems of the planet Earth - hydrosphere (water), ge...

Q: Draw a cross-section and explain why an ocean wave breaks as it nears the shoreline.

A:   As the waves reaches shallower water, the growth in wave height occurs in a wave shoaling process....

Q: Looking at the geologic map and the shaded elevation map side by side  (attached). imagine where the...

A: Both questions (13 and 14) are related to the bedrock topography and bedrock geology of Ohio state.

Q: What is the straight line distance from the intersection of Main and Water to the intersection of Su...

A: Step 1: Locate the two points of intersection and draw a straight line between them In the map abov...

Q: Calculate the average speed of the Pacific plate for the last 43.4 million years. Note that you don’...

A:   As location of hotspot remains fixed relative to plate motion and also Hawaiian big island is loca...

Q: One earthquake measures 3.5 on the Richter scale and another measures 2.5.  How do the two quakes co...

A: The Richter scale measures the amount of ground shaking experience due to an earthquake event at the...

Q: What common elements combine to form most igneous rocks?

A: Igneous rocks are formed from by the cooling of lava or magma that are coming from the eruption of v...

Q: If your seismograph station is located 1,000 miles from the epicenter of an earthquake, how long wil...

A: The seismograph instrument is used for the measurement and detection of the seismic waves travelling...

Q: 1. Sketch and label areas of erosion and deposition resulting from the groin (top), jetty (middle), ...

A:   Jetties are rock walls that are designed to protect the entrance of a harbor from sediment deposit...

Q: The table to below gives the orbital periods T (in years) of the planets known to Newton as afunctio...

A: In a log-log graph, both axes are converted to a logarithmic scale. 

Q: 3. The velocity of sound in water is approximately 1,500 m/s. Calculate the depth from sea level to ...

A:   The sound velocity in water medium is about 1,500 m/s. Since the sound echo traveled to the bottom...

Q: What types of glacial deposits exist in Portage County ohio?

A:   Till is unsorted glacial sediment derived from the erosion and entrainment of material by the movi...

Q: Which of the following represents a locality of Intrusive rocks? a. Hawaiian Islands b. Sierra Nevad...

A: Extrusive rocks and intrusive rocks are the types of igneous rocks which are formed based on the vol...

Q: Geology

A: Contour maps can be used to generate an elevation profile of a landscape. Contour lines are lines th...

Q: How many days is the Moon in the waxing phase and the waning phase?

A: The Earth's lunar cycle lasts 29.5 days. The waxing phase of the moon occurs when the moon is increa...

Q: In Section 24-2, you learned how Neptune is different from Uranus, and how its rings and moons forme...

A: Neptune is similar to Uranus as far as size, mass, composition, and interior structure. - True  

Q: I am doing a crossword for geology. I am having trouble with two terms.  1. The first word is 12 let...

A: The answer should be: ACCUMULATION It is a 12 letter word that is used to explain how glacial deposi...

Q: Fullertonian decays to Tuffyton with a half life of 3 million years (aside: these are fake elements)...

A:   Let the number of half-lives be n.  So, required time period, t= nT1/2 where T1/2 is Half-life of ...

Q: The following is an image showing how the Gulf Stream transfers heat. Red indicates warmer waters, a...

A: The Gulf Stream is a stream or powerful flow of ocean water which contains warm water travelled from...

Q: Which two alternative energy sources could be used by single houses or schools?

A:   Solar Power Solar power is used extensively for energy production and power generation by single h...

Q: If convection of magma within the Earth stopped, do you think that there would still be active volca...

A: The convection in the Earth’s mantle is caused by the hot material which rises upwards and then agai...

Q: In Section 24-1, you learned how Uranus is different from Jupiter, and how its rings and moons forme...

A: Uranus has some large moons and rings - False.