Which expression can be used to find the difference of the polynomials? (4m – 5) – (6m – 7 2n) (4m – 5) (6m 7 2n) (4m – 5) (–6m 7 2n) (4m – 5) (–6m – 7 – 2n) (4m – 5) (–6m 7 – 2n)

How many questions do they give on the sat

This graph represents four ecosystems. each ecosystem has a different number of species, adding to its biodiversity. different colors represent different species. which statements correctly summarize the data depicted by the graph? 1. ecosystem d has more biodiversity than ecosystem c. 2. ecosystem b has more biodiversity than all the other ecosystems. 3. ecosystem a has more biodiversity than ecosystem b but less biodiversity than ecosystem c. 4. ecosystem b has more biodiversity than ecosystems c and d but less biodiversity than ecosystem a. 5. ecosystem a has more biodiversity than ecosystem c but less biodiversity than ecosystem b.

Dna is a polymer of which consist of a sugar, a phosphate group, and a a. amino acids; nucleotide b. nucleic acids; nucleotide c. nucleotides; nitrogenous base d. nucleotides; nucleic acid e. proteins; nucleotide