Which of the following genotypes indicates a homozygous dominant trait?

a. tt
b. tt
c. tt

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

They live on every continent except antarctica

Match each phylum or class to its correct characteristic