Q: Scientific notation expresses a number as a what, times a power of 10? Choices: - fraction - function - expression - coefficient A:
coefficient

Q: What substance, involved in most biochemical reactions, is essential to life? Choices: - carbon - nitrogen - air - water A:
water

Q: Q: Average global temperature has been doing what for the past several decades? Choices: - fluctuating - falling - stabilizing - rising A:
A: rising

Question: Q: The process of the cytoplasm splitting apart and the cell pinching in two is known as what? Choices: - mitosis - electrolysis - budding - cytokinesis A:
Answer: cytokinesis

*Question*
Q: Although much of the heart's basic structure is complete by the end of the fifth week, what fetal structures remain until birth or shortly after? Choices: - heart shunts - renal arteries - umbilical arteries - blood shunts A:
**Answer**
blood shunts

Q: Q: What is a process in which some substances change into different substances? Choices: - a toxic reaction - a bio reaction - a thermodynamic reaction - a chemical reaction A:
A: a chemical reaction