3:they are usually microscopic
A - Ff and Ff is the answer
<span>A pedal steel guitar uses foot pedals and knee levers. It </span>allows the player to change pitches with his feet and knees (apex). <span>A pedal (or foot pedal) is something you can use if you want to alter the sound coming from your guitar or add various sound effects.</span>
Answer:
Plants.
Explanation:
Producers is an organism in an ecosystem that can make its own food. Plants use a process called "Photosynthesis" in order to make the food it needs to survive. Other organisms have to eat a different organism in order to survive,
Thus, the answer is (A)