The correct option is C. A scientist can get an unexpected results from an experiment as a result of errors which have been committed while carrying out the experimental procedure. So, the best thing for the scientist to do is to repeat the experiment, going over the analysis carefully.
When there is at least 1 allele of a dominant trait, it will show since it will automatically overshadow the recessive trait.
Answer:
Noble gases are likely to be least reactive, because they have complete octet in their valence shell.
Halogens are likely to be most reactive, because they want only one electron to complete its octet in their valence shell.
Answer: Pulmonary veins.
Explanation:
Pulmonary vein receives oxygen-rich blood from the lungs into the left atrium where it is pumped into the left ventricle, the aorta and then further distributed to the rest of body.