This type of membrane lines a body cavity that does not open directly to the exterior and the organs contained in that body cavity.

Acid rain is the direct result of acid released by burning fossil fuels. select the best answer from the choices provided ot o f true or false

The influenza virus cause the flu, but not other diseases. why?

Now it's your turn to investigate human impact around the world. grab your virtual lab coat and put on your environmental science hat. you will be taking a trip around the globe to explore three locations. at each location, you will investigate the cause and effect relationships of deforestation, desertification, and urbanization. you will also gather evidence of how these factors have impacted the environment over time