Exam (elaborations)
Marine science exam 2 with correct answers
- Course
- Institution
Marine science exam 2 with correct answers
[Show more]
Content preview
Marine science exam 2 with correctanswers
the arrangement of the hydrogen and oxygen atoms in a water molecule causes the
water molecule to - Answer -be polar
heat is measured in - Answer -calories
which processes cause surface seawater to increase in density - Answer -sea ice
formation and surface water evaporation
the dissolving ability of water is related to - Answer -the attraction between the water
molecules positive and negative charges and charges on other atoms
water heated from below distributes the added heat by ________ whereas the still
surface of the water heated from above distributes the added heat by _______ - Answer
-convection
diffusion and conduction
the average salinity of the oceans is about ______ parts per thousand (%) - Answer -35
sources of the oceans salts are believed to include - Answer -earth's crust
earth's early atmosphere
volcanic eruptions
ions are removed from seawater most effectively by - Answer -adsorption
ice cores extracted from arctic and antarctic land sites contain information describing -
Answer -carbon dioxide changes
atmospheric pollution
climate changes
ALL OF THESE ARE CORRECT
which latitudinal area tends to have the highest average surface salinity? - Answer -
tropics (25-30 degrees)
Earth's surface winds are caused by air moving from a region of _____ to a region of
_____ - Answer -high pressure to low pressure
, the Coriolis effect arises primarily from the - Answer -rotation of Earth around its axis
hurricanes derive their energy from _______ pressure zones in the ______ latitudes -
Answer -low
tropical
the greatest concentration of ozone is in the - Answer -stratosphere
the low pressure area near the equator is known as the - Answer -international
convergence zone
primary productivity is best described as - Answer -rate of production of organic carbon
upwelling areas are more productive than oceanic areas because ________ in
upwellings - Answer -organic matter is more concentrated
food chains are shorter
there are more nutrients
ALL OF THESE ARE CORRECT
a standing crop of phytoplankton can be measured by - Answer -determine the
chlorophyll a content of a sample
weighing the cells in a sample
counting the cells in the sample
ALL OF THESE ARE CORRECT
in a simple food chain with 10% efficiency, a net primary production rate at the first
trophic level is 10,000 units. how many units are available to the fourth trophic level? -
Answer -10
in which areas of the ocean is total productivity not tied to the primary productivity of
phytoplankton? - Answer -coral reefs and deep water vent communities
water - Answer -covers 70% of earths surface
we are made of 65% water
exists naturally as:
solid-ice
liquid-water
gas-vapor, steam
properties of water - Answer -high heat capacity
liquid water denser than solid form
high freezing point
high boiling point
high surface tension
The benefits of buying summaries with Stuvia:
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
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
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 millyphilip. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73091 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now