That would be false. The Ozone layer is what protects Earth from UV radiation. The Ozone is part of the Stratosphere.
Answer:
The probability of getting offspring that are heterozygous for smooth AND heterozygous for yellow, RrYy is 1/4 = 25%.
Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
It lets out oxygen after photosynthesis.