How many minutes elapsed between the arrival of the first P wave and the last measurable surface wave? (In figure 1)

Q: Based on what you learned about Mars and its moons, select all of the correct statements from the fo...

A:   The correct statements are Mars has polar ice caps.   Mars moons are most likely captured.  

Q: 5. Which type of beach litter is biodegradable? 1) soda cans 2) plastic bottles 3) nylon fishing lin...

A:   5. Which type of beach litter is biodegradable? 4) driftwood   6. Which factor is a major or signi...

Q: What general direction was the Pacific plate moving between 70.7 and 43.4 million years ago?

A:   The geological, geophysical (magnetic and seismic) evidences suggest that the subduction and islan...

Q: Similarities and difference of anthropocentric and ecocentric

A:   Anthropocentric is "human-centered"  An anthropocentric viewpoint suggests that humans must sustai...

Q: Loihi is an active volcano located south of Kilauea (see Figure 2). Loihi’s peak is still below sea ...

A:   Hot spot is an area of volcanic eruptions with high heat flow above a rising mantle plume. These a...

Q: If you are in an airplane over the epicenter of a great earthquake, what will you experience?

A: During earthquake, pressure and shear waves move in all directions. If the pressure waves leave eart...

Q: Which of the following techniques is least likely to improve your ability to detect a trend in a cli...

A:   Using accurate instruments and techniques to collect data, analyzing temperature anomalies instead...

Q: is population growth natural or not?explain why we focus on population instead of consumption?How do...

A:   Population growth is the expansion of population by increase in the number of individuals in a pop...

Q: Where are the oldest known Earth rocks found? How old are they?

A: In Canada, the earth's oldest rocks are found.

Q: 1. A) Define surface tension B)Define free surface energy C)Describe an experiment to show how surfa...

A: Surface tension is the property of a fluid or a liquid that allows it to resist an external force. T...

Q: How can arrival times of P and S waves be used to determine distance to the epicenter?

A: P and S waves start from the focus of an earthquake at the same time. Since both are traveling at di...

Q: For how long has the Pacific plate been moving in the same general direction (northwest)?

A: The Pacific Plate is moving northwest at a rate of 7-11 centimeters per year. As the plate continues...

Q: Top three (3) countries where forest are actually growing back (where there is a net gain in forest ...

A: The planting of trees to develop forest and growing forest back after the deforestation is known as ...

Q: You analyze a sample of a meteorite that landed on Earth and find that  7 8  of the uraniu...

A: The sample contains 0.125 or 1/8 grams of U-238 and 0.875 or 7/8 grams of Pb-206. Given that we know...

Q: What will happen if we run out of water? How we could minimise the impact?

A:   Water is used for drinking, washing, hydrating crops, livestock, harnessing electricity and variou...

Q: Records of the strength and directions of Earth’s magnetic field are found in a. igneous rocks. b. m...

A: Igneous rocks are formed when magma (a mass of molten rock material that originates deep in the eart...

Q: 2. Rising seas inundate land, compounding coastal erosion problems outlined above. Calculate how muc...

A: The formula for solving this problem can be expressed as: Slope (decimal form) = change in elevation...

Q: Mount Vesuvius is one of the world’s most active volcanoes, yet it has quiet intervals lasting how l...

A: Mount Vesuvius is an active volcano, which means it will erupt again. The first recorded evidence of...

Q: What is the basic difference between obtaining water from a water-table well and obtaining water fro...

A: Artesian well is same as that of water-table well except in the case of obtaining wtaer.

Q: How fast can tsunami travel? (a) in the deep ocean? (b) in shallow water? What are typical tsunami w...

A: Tsunami is a series of water waves highly disastrous to the coastal community. It is caused by the d...

Q: Tabulate the calculated values of absorbance for each of the standard Cu2+ solutions along with the ...

A: The relationship between absorbance, concentration, and pathlength, is described by the Beer-Lambert...

Q: As wavelength increases, what happens to wave velocity? Which change causes wind-blown ocean waves t...

A: The waves causing the water flow in oceans is a wind wave generated due to the wind blowing on the w...

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: What are the population doubling times given these annual growth rates: Africa, 2.4%; world, 1.2%?

A: If the N0 , initial population at time, t = 0 is 1 then the N, double of population at time, t is 2....

Q: RainbowCauses of formation؟How to configure؟

A: Rainbow is often seen after rain. It is formed when the sunlight hits the tiny water droplets presen...

Q: Looking at the map, where are most of the hotspots concentrated? Many of the biodiversity hotspots c...

A: The location of all major biodiversity hotspots shown on the map has one thing in common - their loc...

Q: Example of population

A:   A population is a number of the organisms of a same group or species living in a particular geogra...

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: Earth is commonly called terra firma. Does this make good geologic sense?

A: Terra, meaning Earth and Firma, meaning solid is a term derived from Latin. The phrase is commonly u...

Q: Rock types and the Rock CycleMatch the following statements on the left with the answers on the righ...

A: A. Extrusive igneous rocks are rocks currently being formed from cooling lava in Hawaiian active vol...

Q: What are the ecological consequences of cutting forests and burning them?

A: The removal of the forest from the land by cutting or burning them is known as Deforestation.  Defor...

Q: What is the quake potential of the Moon (moonquakes)? Does the Moon have similar numbers and magnitu...

A: The lunar equivalent of an earthquake is known as moonquake. The quake on the earth is called earthq...

Q: 1. Rocks vary in color, size, texture and shape. They are classified based on of the following deals...

A: Answer to Question 1 D. Petrology

Q: At a given time, a parcel of air is moving eastward (a westerly wind) at a speed of 15kt. Some time ...

A: For an air parcel moving without losing its speed, it must maintain hydrostatic equilibrium, which d...

Q: Sketch a map of an idealized tectonic plate and evaluate the volcanic hazards along each type of pla...

A: In the figure above, A represents the oceanic plate, B represents the mid-ocean ridge, and C represe...