Wegener formed the theory of continental drift in 1912. What prevented research of the ocean floor, paleomagnetism, and earthquakes at that time?

Select one organism from the food chain you constructed and write it on the line below. State one way the removal of the organism you selected would affect another organism in the food chain. Support your answer.

Describe the pathway an egg takes as it exits the body of the female frog

Objects with like charges will attract or repel

The distance from Earth to Neptune is approximately 4.3514*1012 meters. Select from the drop-down menu to correctly complete the statement. The distance from Earth to Neptune is approximately 4.

Earth and the other spinning objects spin around a line called a rotation axis true or false

A red blood cell is 8 μm in diameter. If drawn 100 times larger than its actual size, what diameter will the drawing be in mm? A. 0.08 mm B. 0.8 mm C. 8 mm D. 80 mm

Which kind of biologist would most likely use satellite technology?

What is the complementary base of adenine in DNA? guanine cytosine thymine uracil

Fish in a marine environment must maintain a relatively constant ion concentration in their tissues and blood. How do the chloride cells in the gills aid fish in the removal of excess ions? A.

Name three groups of plastic sedimentary rocks