Which of the following represents a physical change?
A) burning of fuel oil
B) melting of ice
C) both a and b
D) neither a nor b
B
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One of the goals of sustainability is to consume resources only as fast as they can be renewed by natural systems. If we are to become a sustainable society, which of the following should we be striving to maintain so that it will not be depleted faster than it is consumed?
A. natural capital B. natural fruition C. relative proportion D. equal distribution
The global circulation of air is determined by the properties of air only
Indicate whether the statement is true or false
Which tree species is most widely used for the purpose of making paper?
A) maple B) cedar C) pine D) redwood E) ash
One type of fossil that can preserve details of organic soft parts is ________
A) cast B) permineralization C) coprolites D) carbonized imprints