Answer:
vibration
Explanation:
When the school bell vibrates, it forces the adjacent particles in air to vibrate. ... As the bell continues to move forward and backward, it produces a series of compressions and rarefactions. This makes the sound of a bell propagate through air.
<span>A unicellular organism, also known as a single-celled organism, is an organism that consists of only one cell, unlike a multicellular organism that consists of more than one cell. ... The main groups of unicellular organisms are bacteria, archaea, protozoa, unicellular algae and unicellular fungi.</span>
Answer:
See below ~
Explanation:
A decrease in the ice caps causes a(n) increase in the absorption of sunlight. This cause the global temperature to rise causing more ice caps to melt. As more ice caps melt, the temperature rises. This is an example of a negative feedback loop.
Answer:
2 N
Explanation:
Neglecting friction, air resistance, and gravitational pull, the force on the backpack feels like 2 Newtons. This is because we have a +6N force towards the right and -4N towards the left (left means negative and right means positive).
Summing them up, we get 2N. Now the total force differs if there are external forces acting on the backpack.
<span>Archaebacteria and Eubacteria
hope it helps
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