The abundant remains of ammonites in Oklahoma indicate
A. that Oklahoma was in the past a vast desert with almost no rainfall.
B. that Oklahoma was in the past part of a mountain range that has now eroded.
C. that Oklahoma was in the past covered by a shallow ocean.
D. that Oklahoma was part of a vast tropical forest.
E. that Oklahoma was always a grassland.
Answer: C. that Oklahoma was in the past covered by a shallow ocean.
You might also like to view...
What evidence suggests when oxygen gas first
became a significant part of Earth’s atmosphere?
a. multi-celled microorganisms that breathed oxygen b. fossils of dinosaurs c. molten rock from volcanoes that were rich in oxygen d. rusty rocks indicating oxidized iron e. the presence of water vapor in the atmosphere
Which immunoglobulin is the major form of antibody in blood plasma?
A. IgD B. IgE C. IgM D. IgG E. IgA
Which type of cell acts an antigen-presenting cell?
a. neutrophils b. helper T cells c. cytotoxic T cells d. plasma cells e. dendritic cells
What are lipid bound proteins
What will be an ideal response?