How many neutrons does element X have?
118
X
46

Write the complete balanced equation for the reaction between lead (iv) oxide (pbo2) and water (h2o).

Which polymers are most closely related? a. protein and nucleic acids b. cellulose and starch c. nucleic acids and starch d. nucleic acids and cellulose

Which of the following is the most likeley example of an favorable mutation a. a mutation that makes a rabbit able run faster b. a mutation that changes the rabbit's fur to bright orange c. a mutation that changes the color of the rabbit's eyes d. a mutation that gives a rabbit a third ear