A(n) _______ is a tentative, testable statement about the natural world that is capable of being supported or refuted by scientific evidence, whereas a(n) _______ is a well-established and highly-reliable explanation of a natural phenomenon.
a: hypothesis; opinion b: hypothesis; theory c: opinion; theory d: theory; hypothesis
@anwaarullah
can you help me
sorry its option C
Which of the following shows the levels of organization in a multicell organism from the smallest level to the largest?
a:cell, tissue, organ, organ system, organism b:organism, organ system, organ, tissue, cell c: tissue, cell, organ, organ system, organism d:Organ system, cells, tissue, organism, organ
quizlet.com/70982275/levels-of-organization-human-body-flash-cards/
The original source of ALL energy for living organisms is ___________, while the most direct, useable source of energy to be used by organisms is __________.
a:glucose, the sun b:the sun, ATP c:ATP, glucose d:glucose, ATP
a
Which statement is true of all organic compounds?
a:All contain nitrogen. b:All are classified as carbohydrates. c:All contain carbon. d:All contain only oxygen.
c,,,,,,,,,,,,,,,,,,,,,,,,,Organic Compounds Compounds that contain carbon
The sun's energy is absorbed by plants and converted into glucose during __________. Animals eat the plants and convert the glucose into useable energy in a process called __________.
a:chemosynthesis; photosynthesis b:photosynthesis; cellular respiration c: cellular respiration; photosynthesis d:ATP; cellular respiration
b
A water molecule is composed of two hydrogen atoms and one oxygen atom arranged in a bent shape. Since oxygen is significantly more electronegative than hydrogen, oxygen atoms have a much stronger attraction to shared electrons than does hydrogen. This unequal sharing of electrons and bent shape results in water being called a _________________ .
a: polar molecule b: magnetic molecule c:ionic molecule d:covalent molecule
a,,,,,,,,,,,,,The unequal sharing of electrons within a water molecule makes the water molecule polar
___________ is the attraction of water molecules to one another, while _________ is the attraction of water molecules to other polar substances.
a: Adhesion; cohesion b:Cohesion; adhesion c:Surface tension; cohesion d:Surface tension; adhesion
a
During some winter months in the Finger Lakes region of New York State, the lake water remains unfrozen even though the land around the lakes is frozen and covered with snow. The property of water that allows it to remain unfrozen is known as
a: evaporation b: cohesion c: high specific heat d: condensation
a
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