Where do plants obtain their energy a the sun b from animals c from scavenging d from the moon

If soap hits the floor, is the soap dirty or the floor

Two things that biomedical has invented or innvated

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.