Under the newest system of classification, organisms are classified into three domains and six kingdoms. the kingdoms are archaebacteria (ancient bacteria), eubacteria (true bacteria), protista, fungi, plantae, and animalia organisms in the kingdom eubacteria or the true bacteria are in the domain

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?

What substance acts to prevent sudden ph changes in bodily fluids?