Vultures and blowflies are classified as
A. producers.
B. herbivores.
C. scavengers.
D. insectivores. - C
Which branch of science deals with the study of earthquakes?
A. topography
B. cartography
C. seismology
D. physiology - C
Where are the reproductive organs located in angiosperms?
A. stem
B. roots
C. leaves
D. flowers - D
Which of the following causes coastal tides?
A. changes in temperature of the earth's atmosphere and oceans
B. gravitational attraction of the moon and sun on the earth
C. variations in atmospheric pressure and weather patters
D. centrifugal force from the rotation of the earth and sun - B
What is the function of enzymes in the human body?
A. monitor responses
B. move the muscles
C. control the breathing rate
D. speed up chemical reactions - D
Why does a compass needle point towards the north?
A. Earth's electromagnetic field
B. North Star's gravitational pull
C. The moon's position aligns the needle.
D. Satellites in space align the needle. - A
Tearing a magazine page is an example of
A. combustion.
B. compression.
C. a physical change.
D. a chemical change. - C