Radioactivity due to heavy elements
Friction caused by earths fast rotation
Sand and glass have different chemical formulas, so that means that the atoms are rearranged and this is a chemical reaction.
False sports drinks are supposed to last up to 2 hours
It would be called a mutation
<u>50%</u> of offspring will have brown eyes
Explanation:
A heterozygous individual will have the genotype <em>Rr </em>while an individual who is homozygous recessive will have the genotype <em>rr.</em> A cross between the two will result in offspring with phenotype <em>Rr</em> and <em>rr</em> in the ratio of 1 : 1. This can be observed from the Punnet square attached. The same is the case for the phenotype. The ration of brown eyes to red eyes will be approximately 1 : 1