If someone spilled many gallons of oil into a river what type of pollution would that be a- point source b- nonpoint source

Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse

In the controversial scientific process of cloning, organisms are created that are genetically identical to there parent. this process would be classified as

What do you think scientists face when classifying new organisms?