Alleles in the F1 must be Tt to have height variety in the F2.
Answer:
When the diffrence is small like between Oxygen and Carbon the electrons will be shared. When it is large like in Na and Cl the Cl will steal one electron.
Explanation:
The correct answer would be A.) Urinary Bladder
When coming to building something, some materials are more vulnerable to water and can wear away easier. Some can keep the water in, so depending on the material, the water quality can be better sustained.