Bacteria and fungi act as ____ within an ecosystem.
1). Primary producers
2). Primary consumers
3). Secondary consumers
4). Decomposers
1. The slope of a velocity time graph represents
2. The instrument used to measure the speed of the wind is
3. When a body is immersed in a liquid, the force acting on it is
4. Sound of frequency below 20 Hz is called
5. Where should a boat compass be mounted?
6. Which of the following is used by dentis to see the image of teech of a patient?