(10 points) Marine Biology. needed as soon as possible Match the kelp ecosystem to the organisms that reside there.

1. oarweed
2. nudibranch
3. sponge
4. otter
5. sea urchin
6. rockfish

match each one to its ecosystem,
Ecosystem 1: Kelp Canopy
Ecosystem 2: intermediate Region
Ecosystem 3: Dark Seafloor

Ageologist determines that a sample of a mineral cant 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

Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?