Q: What tool do scientist's use to show the evolutionary pathways and connections among organisms? Choices: - conceptual tree - superficial tree - photogenetic tree - phylogenetic tree A:
phylogenetic tree

(Question)
Q: Production of abnormal white blood cells occurs in what cancer, which is the most common form in children? Choices: - Brain - Breast - Bone - leukemia A:
(Answer)
leukemia

Ques: Q: While enzymatic hydrolysis proceeds, peristalsis moves the mixture of chyme and digestive juices along what? Choices: - esophagus - stomach - large intestine - small intestine A:
Ans: small intestine

(Q).
Q: Enthalpy is a measure of the total energy of what kind of system? Choices: - macroscopic - planetary - hypodermic - thermodynamic A:
(A).
thermodynamic

Ques:Q: Group 16 is called what? Choices: - noble gases - the acid group - metalloids - the oxygen group A:

Ans:the oxygen group

Question: Q: What model postulates that electrons orbit the nucleus at fixed energy levels? Choices: - Newton's model - coreolis - atomic model - bohr A:
Answer:
bohr