79 Answered Questions for the topic earth science

09/10/15

What caused the city of Venice to sink

What caused the city of venice to sink?

05/11/15

Write in the Percent Composition of the entire atmosphere

i only want the percentages of each layer of atmosphere Please

03/11/15

Why does we have two parts of the equator?

Why did they come up with two parts of the equator?

03/02/15

how does earth's movement cause year

how does earth's movement cause year

03/02/15

how does earth's movement cause year

how does earth's movement cause year

01/27/15

Which of the following most accurately describes the water cycle?

1.Water in the water cycle remains in the same place forever.   2.Water moves through the atmosphere in a continuous cycle.   3.Water can be stored in clouds for as long as one hundred... more

09/19/14

what are the problems with a very rocky soil?

Can someone please help with this question from my school homework 

09/05/14

Under what circumstances will a rock have high porosity but low permeability for groundwater flow?

A.) when the pores are formed by dissolution of limestone B.) when the pores are all interconnected C.) when the pores are very small D.) when the pores are very large

05/09/14

Earth Science c/o taiga

  the soil in the taiga is acidic.  this means the soil has a   a.  pH of 7 b.  pH greater than 7 c.  pH less than 7 d.  none of these     in which biomes is fire a regular part of the... more

05/08/14

Earth Science c/o prairie dogs ecosystem

1.  all of the prairie dogs found in a prairie ecosysstem make up an   a. population b.  community c.  biome d.  abiotic factor   2.  the prairie dogs are examples of   a.  flora in a... more

05/08/14

Earth Science c/o upwelling winds

lake cayuga in upstate New York is about 61 km long and 3 km wide with an extra average depth of 132 m.  strong winds occasionally push the warm surface water away from the shore which allows the... more

05/07/14

Earth Science c/o water and organisms

imagine you are out mountain climbing and come across a large lake with crystal clear water.   a. would you expect this lake to support a large number of organisms.  Why?   b.  as you continue... more

05/07/14

Earth Science c/o Keystone species

sea stars living along the pacific coast of the united states eat mussels.  if sea stars are removed fromt he ecosystem, the number of mussels will increase until they are so numberious that they... more

05/07/14

Earth Science c/o habitat, niche, home range and territory

1.  the crayfish scavenge for dead fish and decaysed vergetation at teh bottom of the pond. this discribes the crayfish's   a.  habitat b.  niche c.  home range d.  territory   2.  scientis... more

05/06/14

Earth Science c/o climax communities

1.  climax communities tend to be   a.  stable b. unstable c.  stable only in certain biomes   2.  compared to climax communities, reas undergoing primary succession tend to   a.  have the... more

05/06/14

Earth Science c/o crayfish

there are over 400 speciies of crayfish in North America.  One specie, the Virile crayfish, has slowly expanded fromt he east coast to the waters of Montana.  There it encounters the Calico... more

05/06/14

Earth Science c/o Succession

1.   pioneer species are found in areas   a.  undergoing primary sucession b.  undergoing secondary succession c.  of climax communitites     2.  an area undergoing primary succession,... more

05/06/14

Earth Science c/o Lichens

1.  a lichen is an example of   a.  symbiosis b.  mutualism c.  parasitism     2.  Lichens are found in areas   a.  undergoing primary succession b.  undergoing secondary succession c. ... more

05/06/14

Earth Science c/o food preference

 a specialized food preference   a.  is always an advantage to an orgainism b.  may place an organism at risk of starvation c.  increases competition for food among species in an ecosystem d. ... more

05/05/14

Earth Science c/o plant cycles and lichen

1.  a lichen is an example of       a.  symbiosis b.  mutualism c.  parasitism   2.  lichens are found in areas   a.  undergoing primary succession b.  undergoing secondary succession c. ... more

05/05/14

Earth Science c/o clown fish , cactus and Monarch butterflies

1. every year Monarch butterflies fly north to the central United States from Mexico where they have spent the winter.  the movement of the butterflies between Mexico and the United States is... more

05/04/14

Earth Science c/o bacteria

Imagine if there was a campaign to wipe out all baceria.  Why would this not be a good idea?  Include the terms amino acids, ammonia, nitrites and nitrates when referring to the role of bacteria in... more

05/04/14

Earth Science c/o plants

1.  in mycorrhiza which organism benefits?    a.  plants  b.  bacteria  c.  both a and b  c.  none of these   2.  a plant which does not receive enough water would   a.  increase... more

04/29/14

Earth Science c/o carbon, carbohydrates, plants

  1.  The elemnet which is the building block of all living things is:        a.  oxygen      b.  carbon      c.  nitrogen      d.  phospourus   2.  Carbon is use to form       a. ... more

04/11/14

Earth Science c/o decay

when corn is harvested, corn stalks are left in the field.  They will decay.  Would thte decaying corn stalks be considered part of the biotic or abiotic environment?  Why or why not?

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