Please select the word from the list that best fits the definition minerals mined for titanium

usefulness, profitability

lightness, durability

ilmenite, rutile

automobiles, aircraft

beauty, rarity

Mark this and retum

Would really appreciate it, i have an idea but not completely sure

The distribution of related animals and plants across the world

During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.