Answer:
option 3 in 1st one and option 4 in 2nd one I think
The answer is B. because Richter's scale is <span>a numerical scale for expressing the magnitude of an earthquake on the basis of seismograph oscillations. </span>
They are formed into polymers.
This is possible because proteins are created from different combinations of amino-acids. While we only have 20 different kinds of aminoacids, these 20 kinds can create thousands of combinations that we can observe in our bodies and bodies of other mammals as well as other organisms.
75% is my answer! I hope you get it right!