Why (if you are careful) are you able to float a needle on the surface of water?
A) Water has adhesive properties.
B) The surface tension that is a result of water's cohesive properties makes this possible.
C) The covalent bonds that hold a water molecule together make this possible.
D) A single needle is less dense than water.
B
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Describe a benefit of cloning plants and animals
What will be an ideal response?
A statement such as "If human body temperature increases to a certain level, then critical proteins will be denatured" would most likely be associated with ________
A) inductive reasoning B) deductive reasoning C) a hypothesis D) a conclusion
Most water transport in stems takes place in
A. heartwood B. pith C. phloem D. sapwood
Potassium-40 is useful inn determining the age of a fossil in samples
A. 300,000 years of age and older B. Less than 25,000 years of age C. Aged between 50,000 and 100,000 years of age D. Aged between 100,000 years and 250,000 years E. Of 40,000 to 50,000 years of age