Answer:
Phenotype
Explanation:
It's phenotype because a genotype is not a physical trait; a genotype means genes. It's phenotype because it a physical trait you can see. Lets say twins look the same on the outside but on the inside they have completely DNA. This is like how some butterflies look the same with orange wings but one might have a mutation in its genes.
Ye because ur looking at a grossly bear very scary and also it can bite u so hard that ur brain is gonna splatter everywhere into tiny bits of chunks
Have a control. You have to have something to compare your experimental results or else your results could be random chance.
A situation where friction would be desirable is rubbing your hands together to make them warm in the winter time.
