Are you 100% sure of the parent’s phenotypes? are you 100% sure of maria’s phenotype? if not, which are problematic? why?

The provided question lack the essential part which is required to answer the question, however the correct part is attached with with the question as image.

From the provided punnett square it is clear that the genotype of parents are Rr for each. On this basis offspring which is maria that can be either RR, Rr, or rr. Maria have chances to get RR= 25%.

There can be no 100 surety of the phenotype of maria as there is 25% chances of rr and 75% of ability of tongue rolling.

to get Rr=50% and rr = 25%

the answer for apex is "1 and 6"

surface mining destroys mountain tops, landscapes, forests and wildlife habitats. on top of that, it leads to soil erosion and destruction of agricultural land. the landscape changes can also disrupt river channels and streams, which leads to flooding. which, can destroy plant life and other animals as well.

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