The answer would be d because testing needs to be efficient which all of them cover
Answer:
playing or not playing classic music to the rose bushes
Explanation:
independent variable is the variable the expirementer changes or controls.
Answer:
Troposphere.
Explanation:
Humans live most of their lives in the troposphere atmosphere.
This means that each dominant allele "adds" to the expression of the next dominant allele. Usually, traits are polygenic when there is wide variation in the trait. For example, humans can be many different sizes. Height is a polygenic trait, controlled by at least three genes with six alleles.