1. Which material from the table would best insulate electrical wires? What evidence supports your answer

2 Name two materials from the table that are more dense than water.
What evidence supports your answer​

What did the first language sound like

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.