Explain what the term luminosity means.
Don't get it from Wiki

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas

The theories on the expansion of galaxies maybe re-examined to strengthen science should not be tested to strengthen science will weaken scientific knowledge if they change will become laws if they don't change

If assuming tasting ptc as a simple gene trait,what other genotype would you select to put in this missing genotype box that could result in this phenotype