13. pieces of earth's crust move on top of the a. ocean b. mantle c. outer core d. inner core 14. the fact that ice floats on top of water is like the fact that a. the mantle causes earthquakes and volcanoes b. the mantle is colder than the crust c. the less dense crust sits on top of the mantle d. the crust is melting 15. a map of global earthquakes and volcanoes tells you a. where the edges of the continents are b. where the earth is the hottest c. nothing, it looks random d. where the plate boundaries are open

In german cockroaches, curved wing (cv) is recessive to normal wing (cv+). bill, who is raising cockroaches in his dorm room, finds that the frequency of the gene for curved wings in his cockroach population is 0.6. in his friend joe’s apartment, the frequency of the gene for curved wings is 0.2. one day joe visits bill in his dorm room, and several cockroaches jump out of joe’s hair and join the population in bill’s room. bill estimates that, now, 10% of the cockroaches in his dorm room are individual roaches that jumped out of joe’s hair. what is the new frequency of curved wings among cockroaches in bill’s room? 0.69 0.4 0.5 0.31 0.20

Brainliest ! which would require more force to move or slow down between a bowling ball and a soccer ball? explain why?

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent