Answer:
The characteristics of a good/safe experiment are:
- Equipment is used according to its purpose
- Workers are wearing protective clothing and goggles
- All directions are followed for a successful experiment
- There is proper ventilation
- Toxins are used responsibly
- Sharp tools and fires are handled or supervised by an adult
- All information from the experiment is recorded
- Photographs are taken if necessary
- Experiment is repeated for valid results
- Different people try the experiment to compare results
Hope this helps ya :D
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.
Answer:
Angle of isolation.
Explanation:
If the Earth was flat all the rays would strike it at 90 degrees.
