100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Oceanography || A+ Guaranteed. $10.59   Add to cart

Exam (elaborations)

Oceanography || A+ Guaranteed.

 8 views  0 purchase
  • Course
  • Oceanography
  • Institution
  • Oceanography

What facts and knowledge did Eratosthenes have in calculating the size of Earth? There may be more than one. correct answers - The Sun shone directly above a deep well - He knew the distance between the well and the "slight" shadow - The Sun cast a slight shadow at some distance from the deep wel...

[Show more]

Preview 2 out of 6  pages

  • August 18, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Oceanography
  • Oceanography
avatar-seller
FullyFocus
Oceanography || A+ Guaranteed.
What facts and knowledge did Eratosthenes have in calculating the size of Earth? There may be
more than one. correct answers - The Sun shone directly above a deep well
- He knew the distance between the well and the "slight" shadow
- The Sun cast a slight shadow at some distance from the deep well at the same time

Gravitational force was too weak to retain water correct answers mars

Had the right size and distance from the sun to retain water correct answers earth

Water molecules reached high altitudes and eventually escaped correct answers venus

Darwin was concerned about Lord Kelvin's estimate of Earth's age, because it was too short to
explain the observed diversity of species by his theory of evolution correct answers True

Which true about Venus? correct answers Venus cannot remove CO2 from the atmosphere
without water

Lord Kelvin estimated the age of Earth to be 20-40 million years. Which of the following is true?
correct answers Kelvin estimated how long it would take a molten planet to cool down to the
observed temperatures

The 4.5-4.6 billion year age of Earth is strongly based on the the radiometric dating of meteorites
correct answers True

How many degrees in longitude will Earth rotate in three hours? correct answers 45

Which is true about the planetary surfaces? There may be more than one true statement. correct
answers - Craters on planetary surfaces record past events of meteorites striking the planet
- The Moon has been bombarded with meteorites over time and is covered with craters

Imagine that you set your watch to the Greenwich Mean Time (GMT) in London on Monday. On
Tuesday, you get on a plane and fly to some other location. At your new location, you stick a
pole perpendicular to and into the ground. At the time of day when the stick casts the shortest
shadow, your watch reads 8 am. Your watch is still set to GMT. What is your longitude? correct
answers 60 degrees east

The shadow zone of seismic S-waves indicates that the outer core of Earth is correct answers
liquid

Which of the following was evidence for the continental drift hypothesis: correct answers -
paleoclimatic evidence
- the distribution of glacial deposits
- the fits of the continental edges across the Atlantic Ocean
- the correlation (or findings) of certain fossils across continents

, The fastest traveling seismic waves are: correct answers P-waves

Crust is neither created nor destroyed at which types of plate boundaries? correct answers
Transform

In the mid-twentieth century, oceanographers used what devices to map the ocean floor? correct
answers Echo sounders

Secondary waves are able to pass through which layer of Earth? correct answers Crust and
mantle

Subduction of oceanic plates occurs at plate boundaries where plates: correct answers converge

The boundary between oceanic and continental lithosphere (crust) at a passive margin is marked
by: correct answers the continental slope

Within Earth's mantle, convection cells move lithospheric plates toward ____ and away from
____ correct answers subduction zones; spreading centers

Multibeam echo sounders radiate multiple beams of sound pulses to give a larger coverage
pattern on ocean floors compared to the original single echo sounders. correct answers True

Spreading centers at the Mid-Atlantic Ridge spread at a faster rate than those at the East Pacific
Rise. correct answers False

Passive margins are also referred to as ____. correct answers Atlantic-type margins

What is a typical characteristic of passive margins? correct answers Broad continental shelf

What feature distinguishes a guyot from a seamount? correct answers Flat top

Where is the deepest region in the ocean? correct answers Mariana Trench

Hydrothermal vent fluid is typically above 450°C correct answers false

What are the four main layers of oceanic crust? correct answers sediments, pillow basalts (lavas),
sheeted dikes, gabbros

Which areas of the ocean is most likely to have the least accumulation of sediment? correct
answers Oceanic ridge (MOR)

Most marine sediments are composed of what size of particles? correct answers sand, silt, and
clay

Out of these particles (clay,

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller FullyFocus. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $10.59. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

83637 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$10.59
  • (0)
  Add to cart