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Which unpunctuated sentence DOES NOT contain an introductory phrase or clause?

Select the sentence with a capitalization error.

A person with blood type AB has a child with a person with blood type O.  Answer the following questions: Determine the genotype of the parents  Complete a Punnett square (Insert- table- 3×3) What percentage of their offspring would have blood type A?

Suppose you pick two shapes from the box, at random, WITHOUT REPLACEMENT.  What is the probability that you pick a SQUARE, then a RED SHAPE? Draw a probability tree diagram to help you solve this problem. Include your diagram with your solution.

An element found in another galaxy exists as three isotopes. Measurements indicate that 15.0% of the atoms have an atomic mass of 83.00 amu, 82.0% have an atomic mass of 84.00 amu, and the other 3.0% have an atomic mass of 82.00 amu. Based on the approximate atomic mass of the element, what is the element? 

A cat strolls across your backyard. An hour later, a dog with its nose to the ground follows the trail of the cat. What is going on from a molecular point of view?

Complete the following nuclear reaction equation:

Which of the following does not describe a nuclear fission reaction?

If a neutral element has the following chemical symbol, how many electrons does it have?

Is the mass of an atomic nucleus greater than or less than the sum of the masses of the nucleons composing it? Why don’t the nucleon masses add up to the total nuclear mass?