Identify and explain how an oil spill would affect an aquatic ecosystem.

Which is a type of tectonic plate boundary?

Why is wilhem wundt considered the "father of psychology"?

You find a mysterious, dull substance on the ground and pick it up for a closer look. it is powdery, very light, and soft to the touch. the substance is most likely i. an organic mineral ii. a metallic mineral iii. a nonmetallic mineral i only ii only iii only i and ii i and iii