Compared to the particles in a solid metal sample, the particles in a liquid metal sample (1) have a lower temperature
(2) have less kinetic energy
(3) have more kinetic energy
(4) are closer together

Four types of motile cells in human body?

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c. ozone layer hole d. increase in sea levels

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.