PLEASE HELP THIS IS IMPORTANT. Answer the ones u know leave the ones u don’t. Be specific too and I’ll give u a brainlist/5 star !!! 1) you would have noticed water vapour forming on the inside of the glass jar, where did this water come from?

hint: Think about what happens in a combustion in a combustion reaction.

2) explain why the water rises in the glass jar?

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.

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

Calcium chloride +gold(1) oxide—>