PLS HELP ME!! What materials and objects have scientists managed to lift using very strong magnetic fields?

There are only about 250,000 known fossil species. true or false

Awarm front often brings a. cirrus clouds b. fair conditions c. cool weather d. steady rain

Which of the following does not describe a function of aggressive animal behavior? a. aggressive behavior leads to fights that allow strong animals kill off weaker members of the species. b. aggressive behavior is displayed to establish territorial boundaries. c. aggressive behavior is displayed to establish hierarchy without violence. d. aggressive behavior is displayed to determine who is allowed to mate.