The correct answer is A and D AgBr and KNO3
1.It deals only with natural phenomena and explanations , With science to answer real world mysteries.
2. They Grab Information to gain Hypothesis , Then test it to get the Scientifical Answer for the problem.
Hope this helps
All their children will have heterozygous genes because squidward is "purebred", or homozygous dominant. His wife has to be homozygous recessive for a recessive trait to show up. Every time you cross a homozygous dominant trait with a homozygous recessive trait, you will get heterozygous kids. This means all of them will have light blue skin.
The only answer I can think of that makes sense is overpopulation. I hope this helps