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How is the braking system of a car similar to the water vascular system of a sea star?By this...
Posted by catlover on April 7, 2009 at 9:37 AM via web.
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Can you prove evolution with DNA research?My lecturer says the information stored in DNA tell us...
Posted by dancer7 on April 7, 2009 at 7:03 AM via web.
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How can we continue to eat fish but lessen the danger of mercury poisoning?
Posted by diosara1 on April 7, 2009 at 5:26 AM via web.
1 educator answer.
Why would tuna have higher levels of mercury than other fish?Explain the mechanism that acts...
Posted by diosara on April 7, 2009 at 5:12 AM via web.
How does a mushroom get nourishment? Include key terms in your answer as necessary.
Posted by diosara1 on April 6, 2009 at 5:25 AM via web.
What are the challenges to plants that their algal ancestors didn't have to face?What are the...
Posted by mzbri on April 5, 2009 at 10:27 PM via web.
What are a, b, c, and d in this chart?There are 3 colomns. one is labeled Force, the second is...
Posted by wwaater on April 5, 2009 at 1:36 AM via web.
What relevance do antigen-antibody reactions have in blood transfusion?
Posted by jheanelm on April 5, 2009 at 1:21 AM via web.
why 10-10 is shown in every clock?
Posted by neeel on April 4, 2009 at 7:46 PM via web.
is atopic in dogs also zoonotic?my dog has this atopic and of late i also scratch all the time.
Posted by freddycross11 on April 3, 2009 at 6:44 AM via web.
Can people with no understanding of science judge how science should behave?We live in a...
Posted by elfgirl on April 2, 2009 at 7:23 AM via web.
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What is the difference between cytoplasm and cytoskeleton?Function and meaning.
Posted by hiphopgirl on April 2, 2009 at 2:34 AM via web.
How can transposons lead to gene activation or inactivation?
Posted by sushmita21 on April 1, 2009 at 5:17 PM via web.
What are the strengths and weaknesses of organic and inorganic evidence?
Posted by ibbean on April 1, 2009 at 9:23 AM via web.
the elevation which a stream cannot erode is called the what
Posted by jessicababe on March 31, 2009 at 12:05 PM via web.
How does knowledge differ from beliefs that are true ? NO CLUE NEED HELP AHHHHHH!!!!
Posted by bloodwithreason on March 31, 2009 at 12:58 AM via web.
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What is the altitude drop in feet per the distance in miles of the circumference of the earths...
Posted by jonheadley on March 31, 2009 at 12:22 AM via web.
What are the chemical and physical properties of xenon, and the history regarding the discovery?
Posted by jahnea on March 30, 2009 at 8:07 AM via web.
who gave the concept of fixation?no i noly wan the answer of my qusetion ok
Posted by raniasma on March 30, 2009 at 3:33 AM via web.
Describe three ways that polarity of water molecules affects the behaviour of water.This is from...
Posted by peterleader on March 30, 2009 at 2:52 AM via web.
An air craft on its take-off run has a stedy accelaratio of 3 metres a second squared. ow much...
Posted by littleg on March 30, 2009 at 1:35 AM via web.
Please explain the digestive system of a koala.I need to know what the esophagus, stomach,...
Posted by chendie on March 29, 2009 at 7:33 PM via web.
Make up a generalisation that shows the realtionship between cell size and surface area to volume...
Posted by hotnspicy on March 29, 2009 at 5:33 PM via web.
Global Warming - How good is the evidence?I am teaching Global Warming this term. It is clear to...
Posted by cburr on March 29, 2009 at 4:12 PM via web.
4 educator answers.
If a body found in very cold water has been there for about 6 weeks no signs of violence or...
Posted by puzzled on March 29, 2009 at 12:27 PM via web.
2 educator answers.
What is a description of the gas krypton, and is it dangerous?I have to create a "wanted" poster...
Posted by zarlish on March 29, 2009 at 10:09 AM via web.
Why is energy required for a substance to change phase/state?
Posted by trlordi on March 29, 2009 at 5:42 AM via web.
What's a polar bear physiological and behavioural adaptations and how does the polar bear...
Posted by lit777 on March 26, 2009 at 4:24 PM via web.
What is the role of alveoli in the process of gas exchange?its for my biology project. so i need...
Posted by faffaan on March 26, 2009 at 1:56 AM via web.
Describe two characteristics found only in fish
Posted by diosara on March 25, 2009 at 5:17 AM via web.
What challenges did life on land present to plants that their algal ancestors didn't have to...
Posted by tsp on March 25, 2009 at 2:32 AM via web.
did you know.That chemical change means that something changes properties and physical reaction...
Posted by rtherrien on March 24, 2009 at 9:49 AM via web.
Is there a greater fundamental difference between plants and animals or between prokaryotes and...
Posted by hp28 on March 22, 2009 at 11:07 AM via web.
What types of features are emphasized in a cladistic system? What is the resulting relationship...
Posted by ttt12 on March 22, 2009 at 11:05 AM via web.
what is the uses of music-operated lights?what is the working of music-operated lights?
Posted by abila33 on March 21, 2009 at 12:52 PM via web.
Shall we expect a different rate of infrared shift on our side than the opposite side from the...
Posted by ejdg2000 on March 21, 2009 at 4:37 AM via web.
I am writing a murder mystery story in it the culprit poisons the victim with arsenic in a glass...
Posted by bmw123 on March 21, 2009 at 12:54 AM via web.
What is the impact of laser ablation inductively couple plasma mass spectrometry (LA-ICPMS)?
Posted by alshaa01 on March 21, 2009 at 12:22 AM via web.
Which are water's biological functions?
Posted by anaisleblanc on March 19, 2009 at 8:37 PM via web.
How much would it cost to protect the environment?
Posted by newbie97 on March 16, 2009 at 12:16 PM via web.
could you give me all the important things about Chemical Equilibrium?pl i need this answer for...
Posted by layn on March 16, 2009 at 7:28 AM via web.
What is hybridisation? Please give an example.
Posted by miley07 on March 14, 2009 at 11:44 PM via web.
Killer Bees 2009/02/21Every time I querry killer bees, I am shocked to read a report. These...
Posted by rainisfalling on March 14, 2009 at 8:50 PM via web.
Draw the Lewis dot structure for Mg and S. Is it an ionic or covalent bond?
Posted by gus0106 on March 14, 2009 at 3:29 AM via web.
What is the proper way to draw a Lewis Dot structure for an oxygen atom?
Posted by gus980106 on March 14, 2009 at 3:28 AM via web.
for the reaction PCl3(g) + Cl2(g)___________ PCl5(g)Delta H= -92.5 KJ predict the effect on...
Posted by layn on March 12, 2009 at 8:44 AM via web.
What are the major gold producing countries and the major gold production in last three years?
Posted by khushbookumar on March 11, 2009 at 2:13 AM via web.
Explain how the malfunction of cardiovascular system and respiratory system link to the care the...
Posted by mahii on March 10, 2009 at 8:19 AM via web.
What is the Entner-Doudoroff pathway?
Posted by jianne on March 9, 2009 at 6:17 PM via web.
What are the three things affected by the Coriolis effect?
Posted by rheana on March 9, 2009 at 10:01 AM via web.
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