When you rub your hands together on a cold day, you use friction to convert a. mechanical energy into thermal energy. b. thermal energy into nuclear energy. c. nuclear energy into electrical energy. d. electrical energy into electromagnetic energy.

Indicate whether the following statements about the biases in the fossil record are true or false. a) inland species are more likely to be preserved than marine species b) organisms with hard body parts are more likely to be preserved than are those composed soft tissues. c) species that existed over a larger area are more likely to be preserved than species existing over a smaller area. d) organisms that lived very long ago are more likely to be found as fossils than organisms that lived relatively recently e) the fossils of larger organisms are more likely to be found than the fossils of smaller organisms

Describe two recent or ongoing space missions.

The term equestrian relates to which animal? bulls cows horses pigs