A sound wave has a frequency of 20 hz and a wavelength of 100 m. what is the wave speed

What is it called when rock layers are placed under compressional stress

Describe the ecological restoration of a tropical dry forest in costa rica

If the pallid-winged grasshopper population decreases dramatically, describe what will most likely happen to each other animal population in the food web and why.

An organism grows in a container that contains no oxygen and no exposure to sunlight. which process does this animal rely on to produce most of its atp molecules? a. glycoses b. photosynthesis c. electron transport chains d. alcohol fermentation

The angular difference between true north and magnetic north is called.

How does a law differ from a theory? A. A law is a theory that has been proven to be true and universal. B. A theory is a group of hypotheses that prove a law is true. C. A law is a statement of fact, but a theory is an explanation. D.

Can someone give me a high school level science fair projects with something to do with bones?

The storage of heat in the lower layer of the atmosphere due to certain gases absoring heat is called

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?