What is the most important structure of the circulatory system? a. the lungs c. the veins b. the heart d. the arteries

What is present in a prokaryotic cell?

How are water scarcity and water pollution related? A) Water pollution is a solution to water scarcity. B) Water pollution contributes to water scarcity. C) Water scarcity contributes to water pollution.

Injuries and deaths from motorcycle collisions are primarily from

A synthesis reaction between magnesium (Mg) and oxygen (O2) might produce?

What type of heterotroph is a horse?

What was the peak annual production of the Lucas Gusher

This system has the highest species diversity of all ecosystems. A. Rivers B. ponds C. wetlands

Identify the following features as homologous, analogous, or vestigial. The coccyx or tail vertebrae on humans.

The elements sodium and chlorine react to form the chemical compound sodium chloride. How would you predict the properties of sodium chloride compare with those of its constituent elements? A. very different B.

High evaporation and low freshwater