Earth formed in a swirling disk of matter surrounding the sun. As particles in the disk collided and stuck together, they grew larger and some eventually became planets. What force was responsible for the collisions between these particles? A gravity B solar radiation c seismic waves D radioactive decay

Q: What is the Alvarez Asteroid Theory

A: It is always a concern of study about the sudden demise of Dinosaurs. There are many schools of thou...

Q: Propose an explanation for the nearly pure carbon dioxide atmospheres of Venus and Mars. (Select all...

A:   The thick carbon dioxide atmospheres of Venus and Mars is due to Carbon dioxide that was probably ...

Q: If water was to become warmer in the ocean, how would that impact climate?

A: Warming of the ocean results in an overall increase in the sea surface temperature - the temperature...

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: Which glacier was "the biggest loser" from 2009 to 2010? Explain how you know it and what is the sou...

A: Jakobshavn Glacier, located on the southwest coast of Greenland experienced the most loss in the amo...

Q: Identify the locations of the following features on the map: continental shelf continental slope sp...

A:   Based on the color elevation interpretation from the question and also Google earth image of the s...

Q: Meaning hydrosphere, atmosphere, geosphere etc.

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

Q: Ice is melting in the Arctic (this is fact). Do you think that the melt water is salty or fresh?

A:   When saline ocean water freezes into ice, only the water part (H2O) freezes.

Q: The oldest rocks on Earth contain zircon crystals that are 4.4 billion years old. does this mean tha...

A:   In 2001, the oldest known zircon crystal was dated about 4.4 billion years old. This indicates tha...

Q: A large grassland biome is found in central North America.  Discuss the climatic and geographic feat...

A: The land covered with grasses rather than usual herbs, shrubs, and trees is known as grassland, and ...

Q: 1. The accompanying photo shows a footprint on the moon left by an Apollo astronaut in material popu...

A:   Terrestrial soil is a mixture of mineral particles, organic matter, moisture content, gases, and m...

Q: What roles do density and convection play in man-made disasters like the BP oil spill?

A: Oil contains volatile gases that evaporate upon contact with the surface water. This causes the oil ...

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: 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: Could life have developed without oxygen

A: The planet earth developed approximately 4.5 billion years ago, and life originated on the earth app...

Q: Why are invasive species such a concern in chaparral systems? List three common invaders in our loca...

A: Chaparral is type of biome found in temperate region. Which is also known as Mediterranean forest fo...

Q: What is the average speed, in centimeters/year has the pacific plate been moving for the past 5 mill...

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

Q: What causes Earth's climate to change?

A: Throughout Earth's past, the climate has changed on several occasions. The variations have been caus...

Q: which sedimentary rock is most likely to be changed to slate during regional metamorphism

A:   Regional metamorphism is a type of metamorphism in which the mineralogy and texture of rocks are c...

Q: What trophic level is represented by a spider?     producer     primary consumer     sec...

A: Trophic level is the category level involved in the food chain. In a food chain trophic level includ...

Q: How is fossil water different than normal groundwater?

A:   Groundwater is the water present beneath the surface in the cracks and pores spaces in soil, sand,...

Q: Define natural disasters.  Write a sentence outline and an essay.

A: A disaster is a disruption caused to life and property for a long or short period. These disasters c...

Q: Which of the following is an example of map generalization? a. Removing some points from lines repr...

A: The process of map generalization involves simplifying the geographical information represented in a...

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

A:   Jetties are rock walls made to protect the entrance of a harbor from sediment deposition and storm...

Q: Scientists say that some low mountains today were more than four times higher in the past. What kind...

A: Paleoelevation, the study of land elevation in the past, is based on the evidence extracted from roc...

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: rocks form where the remains of plants and animals are deposited in layers rocks form when minerals ...

A: Organic sedimentary rocks form where the remains of plants and animals are deposited in layers. Exam...

Q: 6. Jupiter has an apparent magnitude of -1.67, but an absolute magnitude of 25.87. Neptune has a mag...

A: Apparent magnitude gives us an idea about the brightness of an object appearing from the earth. It d...

Q: How do I have my research paper in Geography checked for Grammer, Punctuation, Plagirism?

A:   Grammarly is a very good software for checking Grammer, Punctuation, and Plagiarism issues in your...

Q: Are tsunami more dangerous along a straight coastline or in a V-shaped harbor or inlet?

A:   When crest of the tsunami wave hits the coastline, sea level rises. The rise in sea level varies d...

Q: 51. Why does our calendar usually include a leap year every four years? (A) The Moon's orbit around ...

A:   About 365.25 days is taken by earth to complete one orbit around the Sun. It is usually round to 3...

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: Quick Review Directions: For each question, write the letter of the BEST response on the line beside...

A: Africa is a continent that is made from the other five Archean cratons. These are Congo, Kaapvaal, T...

Q: 1) The arrangement of sediments deposited by turbidity currents is called: 2) The continental shelf ...

A:   1) The arrangement of sediments deposited by turbidity currents is called turbidite. 2) The contin...

Q: If a star has a radial velocity of 25 km/sec and a transverse velocity of 60 km/sec, what is the sta...

A: Radial velocity is defined as the star's velocity along the optic axis of the observer. Transverse v...

Q: Identify and describe 3 different types of shorelines within the Chesapeake Bay

A: The Chesapeake Bay in the mid-Atlantic Ocean region is the largest estuary present in the United Sta...