The slow formation of the Grand Canyon is an example of __________, while a meteor crater is an example of ___________
a. Catastrophism, Gradualism.
b. Gradualism, Catastrophism.
c. Gradualism, Isolation.
d. Adaptation, Isolation.
B
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What factors influence cognitive development in early childhood?
What will be an ideal response?
The placenta and uterus secrete ____________________, which may excite the muscles of the uterus to have contractions during labor
Fill in the blank(s) with correct word
Which of the following represents echolalia?
a. referring to the self as "you" or "she" c. automatic repetition of sounds b. refusing to speak d. none of these
Most nerve cell fibers outside the brain and spinal cord are wrapped by a thin layer of cells that aid in the repair of neurons. This thin layer of cells is called
a. myelin. b. neurilemma. c. acetylcholine. d. endorphins.