Which of the following BEST describes an asteroid?
A. small, rocky object usually found between Mars and
Jupiter
B. eruption of heated gas from the sun's surface
C. chunk of the moon's surface that separated due to
seismic forces
D. a comet that originated in the Oort Cloud

What is the main reason that attitudes are more often revealed in spoken rather than written language? a. in writing, we try to put the "best face" on what we write. b. we speak far more often than we write. c. in writing, we can more easily conceal our attitudes. d. in spoken language, we are often careless in our use of words.

Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.

What blood condition is caused by iron deficiency?