The formation of a star begins with a cloud of interstellar gas and dust called a/n
a. aurora.
b. nebula.
c. protostar.
d. white dwarf.

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above

Which is a kingdom? protistachordataprokarya mammalia

Imagine a person stepping on a pin and pulling his or her foot away. look at the reflex arc of this scenario below. which statement best describes the image? a)the sensory nerve carries the signal from the effector to the interneuron, and the motor neuron carries the signal to the receptor. b)the motor nerve carries the signal from the receptor to the interneuron, and the sensory neuron carries the signal to the effector. c)the sensory nerve carries the signal from the receptor to the interneuron, and the motor neuron carries the signal to the effector. d)the sensory nerve carries the signal from the receptor to the motor neuron, and the interneuron carries the signal to the effector.