When phillip analyzed an unknown substance x, he found that it contained only one kind of atom. phillip was unable to convert the substance to a
simpler one. what is substance x?
a.
a compound
b.
an element
c.
a heterogeneous mixture
d. a homogeneous mixture

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

Summarize possible ways in which phases of matter could combine to form a solution.

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural. question 2 reflects a moral or social value. question 3 refers to something that can be measured. question 4 reflects a question that can’t be observed.