An extinct group of arthropods with a body divided into three lobes is a(n) ____
a. crinoid
b. acritarch
c. organelle
d. trilobite
e. echinoid (echinoderm
d
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Which of the following is a mathematical statement of Charles's Law?
A) P1V2 = P2V1 B) P1V1 = P2V2 C) V1T2 = V2T1 D) V1T1 = V2T2
"Vampire" power is ________
A) when electric currents pass through silicone-rich materials B) when most of the energy produced is converted to kinetic energy that can be used later C) power that is stored in an electrical system for use later D) the hidden cost of energy E) energy used when appliance is turned off, but in "standby" mode
In Galileo's thinking, inertia is a
A. force like any other force. B. property of all matter. C. special kind of force. D. concept opposite to force.
How do combustion products of fossil fuels contribute to acid rain? What will be an ideal response?