The diagram shows a football field that represents a geological time scale.

why are no organisms labeled between the end zone and 30 yard line on the left side of the field?

scientists disagree about the fossils from this time period.
scientists have not studied that part of the time scale.
there is very little fossil evidence for this time period.
there are too many fossils to name.

for the points

step-by-step explanation:

i think 1: 2

step-by-step explanation:

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this