1) When a fluid is heated it increases in temperature and it's molecules spread out, causing the fluid to:

A) increase in density and sink
B) increase in density and rise
C) decrease in density and sink
D) decrease in density and rise

Which of the following lines of evidence would best support your assertion that a particular plant is an angiosperm? a) it produces seeds. b) it retains its fertilized egg within its archaegonium. c) it lacks gametangia. d) it undergoes alternation of generations.

Akrabby blind whale has married pearl who has normal vision. oneof their two sons is also colorblind. what arr the genotypes of the parents?

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment