<span><span>Hi,
The two major components of the tobacco mosaic virus were:
1. Protein Coat/Capsid: Each rod consists of about 2130 elliptical protein subunits (capsomers). They are closely packed together and arranged in a helical fashion
</span><span>2. Nucleic Acid: It is a single-stranded RNA helix having a diameter of 80 Å.
Hope I helped :))))</span></span>
Answer:
2000
Explanation:
It is very close between 1990 and 2000, but from what I can see, 2000 had the least precipitation.
Each of a Number of small areas of habitat, typically of one square meter, selected at random to act as samples for assessing the local distribution of plants or animals.
