The change in life-forms in the fossil record from less complex organisms to more complex organisms over time is best explained by

(1) extinction
(2) evolution
(3) dynamic equilibrium
(4) original horizontality

Which sequence of transformations on preimage ∆abc will not produce the image ∆a'b'c'? a. reflection across the line y = x b. rotation 180° clockwise about the origin followed by a reflection across the line y = -x c. reflection across the x-axis followed by a reflection across the y-axis d. reflection across the line y = -x followed by a rotation 180° counterclockwise about the origin e. reflection across the y-axis followed by a rotation 90° clockwise about the origin

Compounds which are found naturally in the earth are called: a. ores b. composites c. rocks d.minerals

Is a state government creates a new tax to fund schools a example of checks and balances