Which two elements make up the greatest percentages by mass in earth’s crust? (1) oxygen and potassium (2) oxygen and silicon (3) aluminum and potassium (4) aluminum and silicon

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

18. which statement about cancer is true?

As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.