The first reptiles occurred during the
A) Tertiary.
B) Ordovician.
C) Triassic.
D) Carboniferous.
Answer: D
You might also like to view...
Pascal's Principle states that an increase of pressure on an enclosed fluid is transmitted ________ throughout the fluid.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements about the greenhouse effect is true?
A) The burning of fossil fuels increases the greenhouse effect on Earth because of the release of carbon dioxide. B) A weak greenhouse effect operates on Mars. C) Without the naturally occurring greenhouse effect, Earth would be too cold to have liquid oceans. D) One result of an increased greenhouse effect on Earth may be an increased number of severe storms. E) All of the above are true.
Two mirrors are at right angles to one another. If an object is placed near the mirrors, what is the largest number of images that would be seen in the mirrors?
a. 3 b. 2 c. 4 d. 5 e. 6
At what Fahrenheit temperature are the Kelvin and Fahrenheit temperatures numerically equal?
What will be an ideal response?