The___ are tiny air sacs in the lungs where oxygen moves into the bloodstream

Habitat destruction is a disadvantage of geothermal energy. T or F

How is nitrogen returned to the atmosphere during the nitrogen cycle? a. It is returned to the atmosphere in a process called nitrogen fixation. b. It is returned to the atmosphere through denitrification. c.

Many drugs used during surgery interfere with the urination process. for safety, patients are not released from the hospital until they urinate. what organ is most likely to be damaged if a person cannot urinate? apex

The weather of continental areas are less affected by: a. Wind b. Rain c. Oceans d. Solar rays

Which force makes it harder to boil water on a stove? a. gravitational pull b. hydrogen bonds c. magnetic pull d. ionic bonds

What must be presented in orders for cloud to form

When so few members of a species reamin that it can no longer play its role in the biological communities where it is found, the species has undergone?

Describe what type of macromolecule lactose is and what the monomer of the macromolecule is

When Santos stands in a swimming pool and looks at his feet, his legs appear to be bent. Which is the term for this phenomenon? A) diffraction B) dispersion C) reflection D) refraction

What triggers pfiesteria change from a harmless algae feeder to a toxin producing fish killer?