The mammal-like reptiles at the end of the Paleozoic were ____
a. thecodonts
b. therapsids
c. protoavis
d. hesperornis
e. monotremes
b
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A classmate tells you that a statement heard on the news about an environmental process noted in a local ecosystem cannot be true because it has not been scientifically proven. You realize that
a. this classmate is misinformed because science cannot prove anything, but it can disprove events conclusively. b. this classmate is misinformed because science can neither prove or disprove anything absolutely. c. this classmate is misinformed because the process in question actually has been proven scientifically. d. this classmate is correct. e. this classmate has confused scientific theories and scientific laws
Which has stronger attractions among its submicroscopic particles: a solid at 25°C or a gas at 25°C?
A. The attractions among the submicroscopic particles of the solid are much stronger-so much stronger that they hold the particles of the solid absolutely still. B. The temperatures of these two materials are the same, which means that the attractions among their submicroscopic particles are also of the same strength. C. The attractions among the submicroscopic particles of the solid must be stronger than the attractions among the particles of the gas. D. The submicroscopic particles of the gas are moving faster. This means that they have more energy, which means that the attractions among them must be stronger.
Environmental problems whose dimensions include differential exposure to risk from toxic wastes and air pollution or lack of access to the natural beauty of parks based on ethnicity or race are issues of ________
A) paradigm shifts B) moral relativism C) environmental justice D) ecocentrism E) anthropocentrism
Which type of adaptor is used to connect two female couplings to each other?
a. double male b. wye c. Siamese d. double female