Answer:
Scientists usually use the potassium-argon method to date rocks that are older than about 1 million years. Uranium-238 is also used for radiometric dating. It has a half-life of 4.5 billion years. It decays to produce lead-206.
Parental Phenotypes: Smooth Green × Smooth Green
Parental Genotypes: SsGg × SsGg
Parental Gametes: SG, sG, Sg, sg
Punnet Square: **In the figure**
11. Smooth/Green = 9
Wrinklen Green = 3
Smooth/Yellow = 3
Wrinkled Yellow = 1
Hope this helps!
Answer:YES
Explanation:A PDA is a type of congenital heart defect. A congenital heart defect is any type of heart problem that's present at birth. If your baby has a PDA but an otherwise normal heart, the PDA may shrink and go away. Some children need treatment to close their PDAs.
Answer:
Your correct answer is B.
Explanation: