Answer:
Secondary structure proteins folding
Explanation:
Alpha helix and pleated sheets are basically two types if secondary structure of Proteins.
muscle is not a fossil it's meat on your arm or should i say tissue.
Hypothesis:
As the tomato plant grows, nitrogen levels in the soil will decrease
Answer:
Proxima Centauri
Explanation:
Of the three stars in the system, the dimmest - called Proxima Centauri - is actually the nearest star to the Sun. The two bright stars, called Alpha Centauri A and B form a close binary system; they are separated by only 23 times the Earth - Sun distance.
Colonial Brazil was ruled by Portugal.
Hope this helps.