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Trisha
continental collision and mountain building can lead to climate change and lower sea levels because?
due to sediments being added to the ocean?
or weathering and the formation of new minerals?
or does the CO2 emission is being added/removed from the atmosphere?
1 AnswerEarth Sciences & Geology5 years agoSea level over time changes by 100s of metres but long term does not seem to be rising or falling significantly. Why?
why is sea level rise a slow process rather than a fast one? what's slowing it down?
6 AnswersGlobal Warming5 years agoWhy did many of the rocks on the continents formed in a marine environment to begin with?
why didn't they form on the continent straight away?
1 AnswerEarth Sciences & Geology5 years agowhy have asteroids accumulated in 2 clusters 60' before and after jupiter in orbit?
they seem to be divided perfectly, how come?
finals tomorrow please help
4 AnswersAstronomy & Space5 years agowhat is andalusite? and where is it found? how is it formed? getting confused?
also how is it associated with hornfels
Earth Sciences & Geology6 years agowhy are the rock exposed at a syncline younger than those exposed at an anticline? i dont understand the science behind it.?
considering the syncline rocks could have been eroded way while anticlines are staying nice and tall, doesn't that mean that synclines are older than anticlines?
i'm confused
2 AnswersEarth Sciences & Geology6 years agothe correct amount of KJ/calories to burn question! :)?
so im 21 year old female
i excerise everyday, walking at an average pace of 11 km/h
distance of 4 km
with very fast walking and 1 minute running intervals in between
height: 166 cm
weight: 75 kg
i am confused as to how much calories should i be eaten FIRST
as well as how much KJ and calories to burn each day?
i am trying to get to the 60-65 kg mark! so between 10-15 kg down!
this past weak i have burnt a total of 8,640 KJ in total! how calories is that?
please advice and help.
i also am a bit confused with the Kj/calorie differences.
4 AnswersDiet & Fitness6 years agowhat ore minerals are found at hydrothermal setting?
i know gold is usually found at hydrotheramal setting
but what about these?
borax and sodium carbonate?
bauxite and garnierite?
chromite and beryl?
pyrite and sphalerite?
1 AnswerEarth Sciences & Geology6 years agoThere are many plausible sources of large organic molecules (the "building blocks" of life). Which of the following is not such a source?
is it D? finals!
a.
meteorites
b.
comets
c. the solar wind
d.
lightning flashes in the early terrestrial atmosphere
4 AnswersAstronomy & Space6 years agoIf life were found elsewhere in our solar system w/ replicating genetic codes that differ significantly in their make-up from RNA or DNA,?
this would be strong evidence of?
(tricky question)
a.
for intelligent life elsewhere in the Galaxy.
b.
that life originated from amino acids and other complex molecules synthesised in interstellar space.
c.
for panspermia.
d.
that the evolution of life may be a common event throughout the Galaxy.
3 AnswersAstronomy & Space6 years agoOne physical parameter of the solar nebular probably dictated which planets formed in which places. This was:?
is it A?
a.
the temperature distribution within the nebula
b.
the mix of chemical constituents
c.
the density of hydrogen gas in the nebula
d.
the overall rotation of the nebula
1 AnswerAstronomy & Space6 years agoWhich one of the following is NOT an example of angular momentum?
im so confused :/
a.
Earth moves faster in its orbit at those times of the year when it is closer to the Sun (Kepler's Second Law).
b.
The Moon always keeps one face pointed toward Earth.
c.
The particles in the nebula around a protostar move faster in their orbits as the nebula collapses inward.
d.
A figure skater spins faster as she brings her arms in close to her body.
e.
As part of the spinning solar nebular collapsed to form Jupiter, it formed a planet with its spin axis aligned perpendicular to the plane of the solar nebula disk.
3 AnswersAstronomy & Space6 years agoThe Gaia space mission is likely to discover:?
Is it B? i know its main objective is star searching.
a.
roughly jupiter-mass planets around thousands of stars.
b.
roughly earth-mass planets around a few nearby bright stars.
c.
mostly "hot Jupiters", just like the Kepler mission.
d.
the first "exo-moons", satellites around giant planets.
2 AnswersAstronomy & Space6 years agowhat will the climate change be for Australia as it moves northward?
ocean currents? atmospheric composition? continent influence? etc? please help!
1 AnswerEarth Sciences & Geology6 years agoThe direct imaging method of detecting exoplanets has: (confused)?
Select one:
a.
not yet made any discoveries of planetary-mass objects, because the age and models are always too uncertain.
b.
discovered a lot of planets like our Jupiter (roughly 1 Jupiter mass and a 5 AU orbit)
c.
discovered a population of objects of planetary mass on wide ~100 AU orbits, that may form quite differently to core-accretion planets.
d.
discovered a population of exoplanets on wider orbits still thought to be consistent with in-situe core-accretion.
i know they have made some discoveries using direct imaging but not too sure in terms of size and location. help please?
4 AnswersAstronomy & Space6 years ago